3011 basic workshop practice i t p c 1 6 3...5 3011 basic workshop practice − i t p c 1 6 3 aims...

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3011 BASIC WORKSHOP PRACTICE − I T P C 1 6 3 AIMS To provide the students with an opportunity to acquire knowledge and skills to • perform different metal & fitting works. • perform basic welding works. • Use and take care of fitting and welding tools & equipment. SHORT DESCRIPTION Fitting : Common hand tools; Measuring instruments; Laying out; Sawing, chipping, filing, grinding and finishing, drilling and thread cutting; Safety precautions. Welding : Arc welding; Gas welding; Welding with non-ferrous metal; Gas metal cutting; Resistance welding; Safety precautions. DETAIL DESCRIPTION Theory : 1 Understand the basic processes of fitting and welding.

1.1 State the importance of fitting and welding works in industry and daily life.

1.2 List the common materials used in the fitting shop. 1.3 Identify various metal forms. 1.4 Describe the uses of various metal forms.

2 Understand the features of common hand tools used in the fitting shop. 2.1 Identify the hand tools commonly used in the fitting shop. 2.2 Describe the use of hand tools of fitting shop. 2.3 State the care and maintenance of hand tools used in the fitting shop.

3 Understand the features of common measuring instruments used in the fitting shop. 3.1 Identify the linear and angular measuring instruments used in the fitting

shop. 3.2 State the difference between precision and non precision measuring

instruments. 3.3 Describe the use of measuring instruments commonly used in the fitting

shop. 3.4 Identify standard gages commonly used in the fitting shop. 3.5 Mention the uses of standard gages.

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3.6 State the care and maintenance of measuring instruments used in the fitting shop.

4 Understand the application of commonly used machines and equipment in sheet metal shop. 4.1 Identify shearing, rolling, seaming, folding and other allied machines. 4.2 Explain the function of various machines used in the sheet metal shop.

5 Know the process of laying out. 5.1 Explain the meaning of lay out. 5.2 List the tools required for laying out workpieces. 5.3 Estimate materials required for a job from given drawing. 5.4 Explain the safe procedure in laying out workpieces.

6 Understand sawing, chipping, filing, grinding and finishing operations. 6.1 Define sawing, chipping, filing, grinding and finishing operations. 6.2 Identify the tools required for sawing, chipping, filing, grinding and

finishing operations. 7 Understand drilling and thread cutting operations.

7.1 Explain drilling and thread cutting. 7.2 Identify the drilling and thread cutting tools. 7.3 State the procedure for drilling hole and making thread in it.

8 Understand the concept of sheet metal work. 8.1 Name the products made of sheet metal. 8.2 List the tools and equipment required for the sheet metal work. 8.3 Identify sheet metal edges and joints. 8.4 Explain the technique for laying out a measuring can.

9 Understand the construction of pipe works and duct. 9.1 Define pipe and duct. 9.2 Describe the use of pipe and duct. 9.3 State the materials required for pipe works and ducting. 9.4 Describe the procedure of joining pipe and duct. 9.5 Identify the standard symbols of pipe fitting and joints.

10 Understand the process of welding. 10.1 Explain the importance and use of welding process. 10.2 Classify various types of welding and their application. 10.3 List the equipment and accessories required for gas and arc welding

process. 10.4 State the application of resistance welding. 10.5 Identify the safety procedure to be followed in various welding works.

11 Understand the process of welding with non ferrous metal.

11.1 Define the term soldering and brazing. 11.2 List the materials required for soldering and brazing. 11.3 Name the tools and equipment required for soldering and brazing.

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11.4 Identify the application area of soldering and brazing. 12 Understand the process of metal cutting by gas.

12.1 Explain the metal cutting using welding gases. 12.2 List the tools and equipment required for metal cutting by gas.

13 Understand the safety precautions in fitting and welding shop. 13.1 State the importance and necessity of good house keeping. 13.2 Choose the appropriate tools, equipment and apparel required during

fitting and welding operations. 13.3 Explain the safe procedures during working in fitting and welding shops.

Practical : 1 Demonstrate the application of basic metal working hand tools.

1.1 Identify common hand tools used for metal and fitting works. 1.2 Check hand tools for sharpness. 1.3 Carryout minor maintenance and sharpening of tools used for fitting

works. 1.4 Follow safe procedure during working in the fitting shop.

2 Demonstrate the application of measuring instruments and gages for bench work. 2.1 Identify the measuring and layout tools. 2.2 Take measurement with vernier caliper and micrometer. 2.3 Measure and layout a fitting job. 2.4 Check/measure with gages (sheet and wire gage, drill gage, etc).

3 Demonstrate the application of machines and equipment for fitting works. 3.1 Identify machines and equipment for specific use. 3.2 Take care and maintenance of machines and equipment used in the

fitting shop. 4 Show skill in sawing, chipping, filing, drilling and reaming.

4.1 Identify the operations of sawing, chipping, filing, drilling and reaming. 4.2 Perform sawing, chipping, filing, drilling and reaming operations. 4.3 Make a job involving sawing, chipping, filing, drilling and reaming

operations (Hinge, Angle gage, etc). 4.4 Follow safe procedures during sawing, chipping, filing, drilling and

reaming. 5 Show skill in cutting threads.

5.1 Identify the taps and dies. 5.2 Cut internal and external threads with tap and die. 5.3 Follow safe procedures during working with taps and dies.

6 Show skill in making sheet metal jobs.

6.1 Select appropriate sheet metal. 6.2 Select tools and equipment for sheet metal works. 6.3 Layout the sheet for jobs.

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6.4 Make wire edge. 6.5 Make seam joint. 6.6 Make mug/measuring can/sugar scoup, etc.

7 Show skill in making pipe and duct. 7.1 Estimate the sheets required for pipe and duct. 7.2 Layout a sheet for pipe and duct. 7.3 Make pipe and duct. 7.4 Take care during making pipe and duct.

8 Show skill in soldering and brazing. 8.1 Select tools and equipment for soldering and brazing. 8.2 Make soldering and brazing joint. 8.3 Take care during soldering and brazing.

9 Show skill in arc welding. 9.1 Select welding tools and equipment. 9.2 Prepare workpiece for welding joint. 9.3 Select proper current and voltage for arc welding. 9.4 Select appropriate electrodes. 9.5 Make arc welding joints ( Lap, Butt, Tee, Corner, etc.) 9.6 Follow safe working procedures during arc welding.

10 Show skill in welding by gas. 10.1 Select tools and equipment for gas welding. 10.2 Select appropriate filler rod and flux. 10.3 Select appropriate flame for welding 10.4 Make gas welding joints ( Lap, Butt, Tee, Corner, etc.) 10.5 Follow safe working procedures during arc welding.

11 Show skill in cutting metal by gas.

11.1 Select tools and equipment for cutting metal by gas. 11.2 Select the appropriate flame for cutting. 11.3 Cut metal by gas. 11.4 Follow safe working procedures during cutting metal by gas.

12 Show skill in resistance welding. 12.1 Identify the resistance welding machines. 12.2 Identify accessories and tools for resistance welding. 12.3 Make spot welding joints. 12.4 Follow safe working procedures during working with spot welding

machine. REFERENCE BOOKS 1 Basic Sheet Metal Practice

⎯ J. W. Giachino

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2 Prathomic Fitting Sikkha ⎯ Hemanta Kumar Bhattacharia

3 Welding Principles for Engineers ⎯ Morris

4 Metal Fabrication ⎯ Robert L. O’con

5 Sheet Metal Work ⎯ Blackburn & Cassidy

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3012 MECHANICAL ENGINEERING MATERIALS T P C

2 0 2 OBJECTIVES • To identify and classify the materials used for manufacturing and construction in

mechanical engineering field. • To recognize the sources of various engineering materials. • To understand the characteristics of various engineering materials. • To understand the use of different engineering materials. SHORT DESCRIPTION Aspects of engineering materials; Materials for construction; Insulating materials; Sound absorbing materials; Glass and ceramics, Paints and varnishes, Fire and water proofing materials; Fuels and lubricants; Plastic materials. 1 Understand the various aspects of engineering materials.

1.1 Define engineering materials. 1.2 Classify the engineering materials. 1.3 List the characteristics of engineering materials. 1.4 State the characteristics of metals for manufacturing machine

members. 2 Understand the engineering use of ferrous metals and alloys.

2.1 Name the common types of iron used in industry. 2.2 Mention the uses of wrought iron and cast iron. 2.3 Classify steel on the basis of carbon content and list the names of

commercial steels. 2.4 Define alloy steel. 2.5 List the names of important alloy steels. 2.6 Mention the uses of various steels.

3 Know the engineering use of non-ferrous metals. 3.1 Define non-ferrous metals. 3.2 List the names of the important non-ferrous metals used in industry. 3.3 State the uses of non-ferrous metals and alloys like copper, zinc, tin,

lead, brass and bronze.

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4 Understand the fundamental concept of aluminum as construction

materials. 4.1 Explain the important properties of aluminum as construction material. 4.2 Mention the uses of aluminum.

5 Understand the characteristic of timber as construction materials. 5.1 Define timber. 5.2 Classify the trees depending on botanical groups. 5.3 Explain conservation of timber in various market forms. 5.4 Describe the major defects in timber.

6 Understand the application of stone. 6.1 Define building stones. 6.2 State geological, physical and chemical classification of stones. 6.3 List the characteristics of good building stones. 6.4 Describe the dressing of stones.

7 Understand the characteristic of brick as construction materials. 7.1 Define brick. 7.2 State the different constituents for manufacturing of good bricks. 7.3 Explain pug mill, table molding and machine molding. 7.4 Describe the process of brick drying. 7.5 State the methods of kiln burning of brick. 7.6 Draw the sketches Bull’s trench kiln & Hoffman’s kiln.

8 Understand the application of sand. 8.1 Classify sand according to their sources. 8.2 State the specifications of good sand. 8.3 Describe the purpose of grading of sand. 8.4 State the use of various grades of sand.

9 Understand the application of cement. 9.1 Define cement. 9.2 State the functions of various ingredients of cement. 9.3 Distinguish between wet process and dry process of manufacturing

Portland cement. 9.4 Draw a flow diagram based on wet process of manufacturing of cement. 9.5 Specify use of cement as engineering material.

10 Understand the application of lime as mortar. 10.1 Define lime. 10.2 State the different types of lime. 10.3 Write characteristics of good lime. 10.4 Explain hydration, calcination and hydraulicity. 10.5 Write principal uses of lime. 10.6 Define the term mortar. 10.7 Write the names of different types of mortar.

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10.8 State the function of sand and cement mortar. 10.9 Write the uses of mortar.

11 Understand the application of various insulating materials. 11.1 State the functions of insulating materials. 11.2 List five natural insulating materials. 11.3 Write the names of synthetic insulating materials. 11.4 Describe the sources of obtaining rubber, cork and ebonite. 11.5 Explain the uses of asbestos as insulating material.

12 Understand the characteristic of sound absorbing materials. 12.1 List three natural sound absorbing materials. 12.2 Write the names of five sound absorbing materials. 12.3 State the manufacturing process of acoustic tile. 12.4 Explain light weight concrete used in acoustic works.

13 Know the fundamentals concepts of glass and ceramics. 13.1 State the constituents of glass. 13.2 List the properties of glass. 13.3 Explain the uses of glass. 13.4 State the constituents of ceramics. 13.5 Write the classification of ceramics. 13.6 List the properties of ceramics. 13.7 Explain the uses of ceramics.

14 Understand the basic concepts of paints and varnishes. 14.1 Define paints. 14.2 Explain the characteristics of good paint. 14.3 List the essential constituents of paint. 14.4 Explain the functions of pigment. 14.5 Define varnish. 14.6 List the main constituents of varnishes. 14.7 Explain the characteristics of good varnish. 14.8 State the functions of vehicle. 14.9 List some synthetic materials used for paint & varnishes.

15 Know the fundamental aspects of fire and water proofing materials. 15.1 State the term fire proofing materials and water proofing materials. 15.2 Explain the uses of asbestos as fire and waterproof materials. 15.3 List the characteristics of refractory materials. 15.4 Explain the uses of rubber as water proofing material.

16 Understand the basic concepts of fuels and lubricants. 16.1 Define the term fuel. 16.2 State the main purposes of fuels with their classifications. 16.3 List the different types of lubricants. 16.4 Explain the characteristics of lubricating oils.

17 Understand the engineering applications of plastic materials.

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17.1 Define plastic. 17.2 List the names of raw materials for plastic. 17.3 Explain the properties of plastic. 17.4 State the characteristics of thermoplastic and thermosetting plastic. 17.5 Describe the manufacturing process of plastic. 17.6 Explain the molding methods of plastic products. 17.7 Identify the uses of plastic as engineering materials. 17.8 Explain laminating plastic.

REFERENCE BOOKS 1. A text book on Engineering Materials

⎯ G. J. Kulkarni 2. Engineering Materials

⎯ Dr. M. A. Aziz 3. Plactic Materials

⎯ J. A Brydson

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1611 ENGINEERING DRAWING T P C 0 6 2

OBJECTIVES • To develop the ability to use various drawing instruments and materials. • To enable in constructing and using various types of scales in drawing. • To provide the ability to construct various geometrical figures. • To enable to adopt various symbols used in drawing. • To provide the skill of freehand sketching with shades and shadows. • To provide the basic skill of drawing orthographic views. SHORT DESCRIPTION Drawing instruments and their uses; Lettering, numbering and constructing title strip; Adopting alphabet of lines and dimensioning; Constructing scales; Constructing geometrical figures; Constructing conic sections; Adopting symbols; Freehand sketching (with shades and shadows), Drawing orthographic views. DETAIL DESCRIPTION DRAWING INSTRUMENTS AND MATERIALS 1 Practice with drawing instruments and materials for basic drawing

technique. 1.1 Identify the different types of drawing instruments. 1.2 Use different types of drafting equipment. 1.3 Use different types of drafting software. 1.4 Identify the standard sizes of drawing board and sheets. 1.5 Draw the border lines in drawing sheets following standard rule. 1.6 Draw horizontal, vertical and inclined lines with the help of set squares

and T-square. 1.7 Draw 15 degree, 75 degree, 105 degree and 120 degree angles with the

help of set squares. 1.8 Use lettering guide, template, scale pantograph and French curve.

LETTERING NUMBERING AND TITLE STRIP 2 Letter and number freehand and with instruments.

2.1 Identify the necessity of good lettering in engineering drawing. 2.2 Draw freehand single stroke vertical letters from A to Z (upper and lower

case) and numbers 0 to 9. 2.3 Draw freehand inclined (65 degree to 75 degree) single stroke letters

from A to Z (upper and lower case) and numbers from 0 to 9. 2.4 Draw block letters (Gothic) using 5 : 4 and 7 : 5 proportions and height.

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2.5 Select a suitable size of letters and write a few sentences using all the letters selecting suitable scale.

2.6 Draw title strip with proper placement using suitable size of letters and measurements.

ALPHABET OF LINES AND DIMENSIONING 3 Adopt the alphabet of lines.

3.1 Select different lines in drawing. 3.2 Use center line, hidden line, phantom line, break line, dimension line,

extension line, section line and cutting plane line. 3.3 Use different thickness of line to emphasize a part of drawing. 3.4 Select recommended grades of pencils for various types of lines for

engineering drawing. 4 Adopt the elements and theory of dimensioning.

4.1 Put dimensions in engineering drawing according to an accepted standard.

4.2 Identify the elements of dimensions from a given dimensioned drawing. 4.3 Apply aligned and unidirectional system of dimensioning. 4.4 Draw size and location of dimension, continuous dimension, staggered

dimension and dimensioning in limited space. 4.5 Add necessary dimension to a given drawing with suitable arrows.

CONSTRUCTION OF SCALE 5 Prepare scale for drawing application.

5.1 Calculate representative fraction and interpret a scale reading. 5.2 Use different types of scale to find full size dimension. 5.3 Draw a plain scale to show meters, centimeters and millimeters of a

given distance on object. 5.4 Draw a diagonal scale to show three units having given RF. 5.5 Read particular distance on plain and diagonal scale. 5.6 Use scale of chord. 5.7 Draw angle of 49 degree, 78 degree and 95 degree with the help of

scale of chord. GEOMETRICAL CONSTRUCTIONS 6 Construct geometric figures (lines, triangles & squares).

6.1 Divide given straight line into any number of equal parts. 6.2 Draw perpendicular when the given point is at or near the end of the

line. 6.3 Bisect a given angle. 6.4 Trisect a given angle. 6.5 Draw a straight line parallel to given straight line at some given distance.

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6.6 Draw a square on a given straight line. 7 Construct geometric figures (circles and regular polygons).

7.1 Draw regular polygons i.e. pentagon, hexagon and octagon having given one side.

7.2 Locate the center of circle and arc. 7.3 Inscribe circle in triangles. 7.4 Inscribe a circle about a triangle. 7.5 Divide a triangle into any number of equal parts. 7.6 Draw an equilateral triangle equal in area of a square. 7.7 Determine the length of the circumference of circle.

CONIC SECTIONS 8 Construct conic sections.

8.1 Draw an ellipse by concentric circle method. 8.2 Draw an ellipse by parallelogram method. 8.3 Draw an ellipse by four center method. 8.4 Draw a parabola having given foci and directrix. 8.5 Draw a parabola from given abscissa and ordinate.

SYMBOLS 9 Adopt standard symbols in drawing.

9.1 Identify symbols used in drawing. 9.2 Draw a legend using symbols of different engineering materials. 9.3 Draw the symbols of different plumbing fittings and fixtures used in

drawing. 9.4 Draw the symbols of different electrical fittings and fixtures used in

drawing. 9.5 Interpret information from drawing containing standard symbols.

FREEHAND SKETCHING (WITH SHADES AND SHADOWS) 10 Sketch freehand with shades and shadows.

10.1 Produce freehand sketches of the following with shade and shadow technique: a. Book b. Brick c. Step d. Cylinder e. Hand tubewell f. Spade with handle g. Pipe wrench

h. Bib-cock i. Bench vice j. Open box k. Electric lamps l. Electric switches m. Electric fan n. Nuts and bolts

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10.2 Use different materials and methods of shading and shadowing freehand sketches.

ORTHOGRAPHIC PROJECTION 11 Translate pictorial views of simple objects into orthographic views.

11.1 Identify different planes. 11.2 Draw third angle orthographic views of simple objects. 11.3 Draw first and third angle views of a simple object and add proper

dimensions. REFERENCE BOOKS

1 Geometrical Drawing

⎯ I H Morris 2 Prathamic Engineering Drawing

⎯ Hemanta Kumar Bhattacharia

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2712 BASIC ELECTRICITY T P C 3 3 4

OBJECTIVES • To familiarize the basic electrical quantities & laws and to apply them in solving

problems of electrical circuits. • To acquaint with electro-chemistry, electro-magnetism, electro-magnetic induction

and electrostatic. • To develop skill in electrical wiring. • To appreciate the safety measures to be taken for electrical wiring. SHORT DESCRIPTION Electric current and ohm's law; Conductors and insulators; Basic electrical circuits; Power and energy; Basic electro-chemistry; Electro-magnetism; Electro-magnetic induction; Electrostatics; Wires and cables; Hand tools used in wiring; House wiring; Controlling devices; Protective devices; Earthing. DETAIL DESCRIPTION Theory : ELECTRIC CURRENT 1 Understand electricity and its nature. 1.1 State the meaning of electricity. 1.2 Describe the structure of atom. 1.3 Define current, voltage and resistance. 1.4 State the units of current, voltage and resistance. CONDUCTOR & INSULATOR 2 Understand conductor and insulator.

2.1 Define conductor and insulator. 2.2 Explain the electron theory of conductor and insulator. 2.3 List at least 5 conductors and 5 insulators. 2.4 Describe the factors upon which the resistance of a conductor depends. 2.5 State laws of resistance.

2.6 Prove the relation R= AL

ρ

2.7 Explain the meaning of resistivity and name the unit of resistivity. 2.8 Solve problems relating to laws of resistance.

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OHM'S LAW 3 Understand Ohm's Law 3.1 State Ohm's law. 3.2 Deduce the relation between current, voltage and resistance. 3.3 Solve problems relating to Ohm's law. BASIC ELECTRIC CIRCUITS 4 Understand electric circuit. 4.1 Define electric circuit. 4.2 Name the different types of electric circuits. 4.3 Define series circuit and parallel circuit. 4.4 Describe the characteristic of series circuit and parallel circuit. 4.5 Calculate the equivalent resistance of series circuit and parallel circuit. 4.6 Solve problems relating to series circuit and parallel circuit. 4.7 Describe complex or mixed circuit. 5 Apply the principles of Kirchhoff's laws.

5.1 Define node, branch and loop. 5.2 Define Kirchhoff's current law and voltage law. 5.3 Solve problems relating to Kirchhoff’s laws.

POWER AND ENERGY 6 Apply the concept of electrical power and energy.

6.1 Define electrical power and energy. 6.2 State the unit of electrical power and energy. 6.3 Show the relation between electrical power and energy. 6.4 List the name of instruments for measuring of electrical power and

energy. 6.5 Draw the connection diagram of wattmeter and energy meter in an

electrical circuit. 6.6 Solve problems relating to electrical power and energy.

7 Understand the principles of Joule's law. 7.1 Describe the heating effect of electricity when current flows through a

conductor. 7.2 Explain Joule's law regarding the development of heat in electrical

circuit. 7.3 Describe meaning of "J". 7.4 Solve problems relating to Joule’s law.

BASIC ELECTRO-CHEMISTRY 8 Understand the concept of cells.

8.1 Describe the meaning of potential difference. 8.2 Define the meaning of cell. 8.3 Describe the construction and principle of action of a simple Voltaic cell. 8.4 List the defects of a simple Voltaic cell. 8.5 Describe the causes of defects of a simple Voltaic cell.

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8.6 Describe the methods of removing the defects of a simple Voltaic cell. 8.7 Distinguish between primary and secondary cells.

9 Understand the construction and principle of action of secondary cell. 9.1 Define secondary cell. 9.2 Describe the construction and principle of action of a lead acid cell. 9.3 List the uses of lead acid cell. 9.4 List the advantages of secondary cell. 9.5 Distinguish between a cell and a battery. 9.6 Describe the series and parallel grouping of cells.

10 Understand the concept of capacitors and capacitance. 10.1 Define capacitor and capacitance. 10.2 Name the unit of capacitance. 10.3 Name the different types of capacitor. 10.4 Write the uses of capacitor. 10.5 Determine the equivalent capacitance of a number of capacitors

connected in series. 10.6 Determine the equivalent capacitance of a number capacitors

connected in parallel. 10.7 Explain the energy stored in a capacitor. 10.8 Solve problems relating to capacitor connected in series and in parallel.

ELECTRO - MAGNETISM 11 Understand Electro - magnetism.

11.1 Describe magnetic field, magnetic lines of force and its properties. 11.2 Describe field intensity and magnetic flux density. 11.3 Distinguish between absolute permeability and relative permeability. 11.4 Describe the concept of magnetic effect of electrical current. 11.5 States Maxwell's cork screw rule and Fleming's right hand rule for

determining the direction of magnetic field and current. 11.6 Explain the force experienced in a current carrying conductor placed in

a magnetic field. 11.7 State Fleming's left hand rule. 11.8 Explain the work done by a moving conductor in a magnetic field. 11.9 Explain the force between two parallel current carrying conductor.

12 Understand magnetic circuit. 12.1 Define a magnetic circuit. 12.2 Define the terms magnetizing force, magnetomotive force, ampere –

turns, reluctance, permeance, permeability, magnetic linkage and leakage.

12.3 Show the relation between magnetomotive force, reluctance and magnetic field intensity or magnetizing force.

12.4 Compare a magnetic circuit with an electrical circuit.

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ELECTRO MAGNETIC INDUCTION 13 Understand electro- magnetic induction.

13.1 Define Faraday's laws of electro-magnetic induction. 13.2 Describe the magnitude of dynamically induced emf and statically

induced emf 13.3 Solve problems relating to emf generation. 13.4 Define Lenz's law and Fleming's right hand rule for determining the

direction of induced emf and current. 13.5 Define self induced emf and self inductance. 13.6 Explain inductance of a iron cored inductor. 13.7 Define mutual inductance and co-efficient of coupling.

14 Understand magnetization effect. 14.1 Draw the magnetisation curves (B-H curves) for cast iron, cast steel and

steel sheet. 14.2 Explain cycles of magnetisation or hysteresis loop. 14.3 Define hysteresis loss. 14.4 Determine hysteresis loss form hysteresis loop. 14.5 Define eddy current loss and explain the procedure to minimize the

eddy current loss. 14.6 Explain energy stored in a magnetic field and lifting power of

electromagnets. 14.7 Solve problems relating to energy stored in a magnetic field.

WIRES AND CABLES 15 Understand the uses of wires and cables.

15.1 Define electrical wires and cables. 15.2 Distinguish between wires and cables. 15.3 Describe the construction and uses of PVC, VIR, TRS or CTS and

flexible cables. 15.4 Describe the procedure of measuring the size of wires and cables by

wire gauge. 15.5 Describe the current carrying capacity of a wire.

JOINTS AND SPLICES 16 Understand the usefulness of joints and splices.

16.1 Define the meaning of joints and splices. 16.2 State the five steps of making a joint. 16.3 Describe the procedure to make a pig tail joint, western union joint,

Britannia joint, duplex joint, tap joint, simple splice. 16.4 Give example of uses of above mentioned joints.

HOUSE WIRING 17 Understand the different methods of house wiring.

17.1 State the meaning of wiring. 17.2 List at least four types of wiring.

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17.3 State the procedure for plastic casing wiring, surface conduit wring and concealed wiring.

17.4 State the types of wiring used in : a) Residential building. b) Workshop c) Cinema hall/Auditorium d) Temporary shed

17.5 List the name of fittings used in different types of electrical wiring. CONTROLLING DEVICES 18 Understand the construction and uses of controlling devices.

18.1 Define controlling device. 18.2 Name the different types of controlling devices. 18.3 Describe the constructional features and uses of tumbler switch, iron

clad switch, push button switch and gang switch. PROTECTIVE DEVICES 19 Understand the construction and uses of protective devices.

19.1 Define protective devices. 19.2 Name the different types of protective devices. 19.3 Name the different types of fuses used in house wiring. 19.4 Describe the construction and uses of renewable fuse. 19.5 Name the different types of circuit breaker used in house wiring.

EARTHING 20 Understand the necessity of earthing.

20.1 Define earthing 20.2 Explain necessity of earthing 20.3 Name different types of earthing

WIRING CIRCUITS 21 Apply the principle of controlling electrical circuit by switch.

21.1 Sketch the wiring diagram of one lamp controlled by one SPST switch and describe its uses.

21.2 Sketch the wiring diagram of one lamp controlled by two SPDT switch and describe its uses.

21.3 Draw the wiring diagram of one calling bell with a lamp controlled from one point.

21.4 Draw the wiring diagram of a fluorescent tube light circuit. 21.5 Describe the working principle of fluorescent tube light.

ELECTRICITY ACT 22 Understand electricity act/rule of Bangladesh and safety practices.

22.1 State electricity act/rule of Bangladesh to be followed in electrical wiring. 22.2 Describe the importance of electricity act/rule.

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22.3 Describe safety procedure against electrical hazards. 22.4 List the performance of safety practices for electrical equipment,

machines and accessories. Practical : 1 Show skill in verification of Ohm's Law 1.1 Sketch the circuit diagram for the verification of Ohm's Law. 1.2 List tools, equipment and material required for the experiment. 1.3 Prepare the circuit according to the circuit diagram using proper

equipment. 1.4 Check all connections before the circuit is energized. 1.5 Verify the law by collecting relevant data. 2 Show skill in verification of Kirchhoff's law. 2.1 Draw the circuit diagram for the verification of Kirchhoff's current and

voltage law. 2.2 List tools, equipment and materials required for the experiment. 2.3 Prepare the circuit according to the circuit diagram. 2.4 Check all connections before the circuit is energized. 2.5 Verify the kirchnoff's current law and voltage law by collecting relevant

data. 3 Show skill in measuring the power of an electric circuit. 3.1 Sketch the necessary circuit diagram of an electrical circuit with

electrical load, ammeter, voltmeter and wattmeter. 3.2 Prepare the circuit according to the circuit diagram using ammeter,

voltmeter and wattmeter. 3.3. Record the power, measured by the wattmeter and verify the reading

with that of calculated from ammeter and voltmeter. 3.4. Compare the measured data with that of calculated and rated power.

4 Show skill in measuring the energy consumed in an electrical circuit. 4.1 Sketch the necessary diagram of an electric circuit with wattmeter,

energy meter and electrical load. 4.2 Prepare the circuit according to the circuit diagram using wattmeter and

energy meter. 4.3 Record the energy measured by the energy meter and verify it with that

of calculated from wattmeter for a fixed time. 5 Show skill in grouping a number of cell to form a battery. 5.1 Sketch the connection diagram of 4 cells (1.5 V each) in series. 5.2 List the materials and equipment required for the experiment. 5.3 Connect the terminals of the cells according to the diagram. 5.4 Determine the terminal voltage of the group and verify it with the

calculated result. 6 Show skill in making artificial magnets. 6.1 Make an artificial magnet by rubbing method (single touch).

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6.2 Make an artificial magnet by divided touch method. 6.3 Make an artificial magnet by passing electrical current. 6.4 Detect the polarity of the produced artificial magnet with the help of a

compass needle. 7 Show skill in mapping the lines of force and locating the poles of a bar

magnet in different positions. 7.1 Place a bar magnet in the magnetic meridian and place north pole

towards north. 7.2 Draw the magnetic lines of force from either side of magnet by a

compass needle. 7.3 Locate the two neutral points in the magnetic field. 7.4 Place the magnet in the magnetic meridian. 7.5 Locate the poles by taking at least three reading in each and of the

magnet with the help of a compass needle . 8 Show skill in the uses of hand tools, wires and cables.

8.1 List the hand tools used in electrical wiring. 8.2 Identify the hand tools used in electrical wiring. 8.3 Draw neat sketches of hand tools used in electrical wiring. 8.4 Identify different types of wires and cables. 8.5 Measure the diameter of the identified wire and cables using standard

wire gauge. 9 Show skill in making a duplex joint and a T-joint. 9.1 Sketch a duplex joint and a T-Joint. 9.2 Perform skinning and scraping of two pieces of PVC duplex cable and

two pieces of simplex PVC cables. 9.3 Make the joints according to sketches. 9.4 Write a report. 10 Show skill in preparing wring circuit of two lamps controlled from two

points separately. 10.1 Sketch a working circuit of two lamps controlled from two points

separately. 10.2 Make the wiring circuit using required materials and equipment on a

wiring board. 10.3 Test the connection of circuit by providing proper supply. 11 Show skill in preparing wiring circuit of one lamp controlled from two

points. 11.1 Sketch a working diagram of one lamp controlled by two SPDT tumbler

switches. 11.2 Complete the wiring circuit using required materials and equipment on

wiring board. 11.3 Test the connection of circuit by providing proper supply.

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12 Show skill in preparing wiring circuit of one bell with two indicating lamp controlled from two points.

12.1 Sketch the working diagram of one bell with two indicating lamps controlled by two push button switch.

12.2 Make the wiring circuit using required materials and equipment in wiring board.

12.3 Test the connection of circuit by providing proper supply. 13 Show skill in preparing wiring circuit of a fluorescent tube light. 13.1 Sketch a working diagram of a fluorescent tube light circuit. 13.2 Make the connection of a fluorescent tube light circuit using required

materials and equipment. 13.3 Test the connection of the circuit by providing supply. REFERENCE BOOKS 1 A text book of Electrical Technology

⎯ B. L. Theraja 2 Basic Electricity

⎯ Charles W Ryan 3 Basic Electrical theory and Practice

⎯ E. B. Babler 1411 MATHEMATICS − I T P C

3 3 4 OBJECTIVES • To acquaint the students with the basic terminology of Algebra. • To develop an understanding of complex numbers (J-operator) which are being

used in electrical engineering. • To give an understanding of the binomial expansion. • To enable in using the knowledge of trigonometry in solving problems of

engineering importance. SHORT DESCRIPTION Algebra: Set, Indices, Logarithms, Variation, AP & GP, Polynomials & polynomial

equations, Complex number, Permutation & Combination, Binomial theorem for positive integral Index.

Trigonometry: Trigonometrical ratios of different angles; Ratio of associated angles,

Compound angles, Transformation formulae, multiple angles and Sub-multiple angles.

26

DETAIL DESCRIPTION Algebra: 1 Apply the concept of set in solving problem.

1.1 Define set, sub-set and universal set. 1.2 Define the different types of number set. 1.3 Define union of set, intersection of set, complement of set, power set,

disjoint set. 1.4 Prove (using Venn diagram) the relation of following types where A, B

and C are any set. i) AU(BUC) = (AUB) I (AUC) ii) (AUB)c = AcIB c iii) (AIB) c = Ac UB c

1.5 Find the number of elements in the union of two sets. 1.6 Solve the problems using above.

2 Apply the laws of indices in solving mathematical problem.

2.1 State the laws of indices. 2.2 Apply the laws of indices to solve the problem. 2.3 Perform algebraic operation on surd. 2.4 Use the scientific calculator in solving the problems of indices.

LOGARITHMS 3 Apply the concept of logarithms.

3.1 Define logarithm. 3.2 Prove the following laws of logarithm.

a) aLog (m x n) = aLog m + aLog n

b) aLog ⎟⎠⎞

⎜⎝⎛

nm = aLog m −

aLog n

c) aLog ( )nm = n aLog m d) bLog a X aLog b = 1 e) aLog 1 = O

3.3 Solve problems using 3.2. 3.4 State the difference between Naperion and common logarithms.

4 Understand the concept of AP & GP.

4.1 Define AP and common difference. 4.2 Find last term and sum of n terms, given first term and common difference. 4.3 Define GP and common ratio.

27

4.5 Find the sum of n terms given first and common ratio. 5 Apply the concept of polynomial in solving the problems.

5.1 Define polynomials and polynomial equation. 5.2 Explain the roots and co-efficient of polynomial equations. 5.3 Find the relation between roots and co-efficient of the polynomial

equations. 5.4 Determine the roots and their nature of quadratic polynomial equations. 5.5 Form the equation when the roots of the quadratic polynomial equations

are given. 5.6 Find the condition of the common roots of quadratic polynomial

equations. 5.7 Solve the problems related to the above.

6 Understand the concept of complex numbers. 6.1 Define complex numbers. 6.2 Perform algebraic operation (addition, subtraction, multiplication,

division, square root) with complex number of the form a+jb. 6.3 Find the cube roots of unity. 6.4 Apply the properties of cube root of unity in solving problems.

7 Apply the concept of permutation & Combination.

7.1 Explain permutation. 7.2 Find the number of permutation of n things taken r at a time when, i) things are all different. ii) things are not all different. 7.3 Solve problems of the related to permutation :

i) be arranged so that the vowels may never be separated. From 10 man and 6 women a committee of 7 is to be formed. In how many ways can this be done so as to include at least two women in the committee.

7.4 Explain combination. 7.5 Find the number of combination of n different things taken r at a time. 7.6 Explain rCn , n

n C , 0n C

7.7 Find the number of combination of n things taken r at a time in which p particular things

i) Always occur ii) never occur. 7.8 Establish i) r

n C = rnn C −

ii) rn C + 1r

n C − = r1n C+

7.9 Solve problems related to combination.

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8 Apply the concept of binomial theorem for a positive integral index.

8.1 State binomial expression. 8.2 Find the general term, middle term, equidistant term and term independent of x. 8.3 Use binomial theorem to find the value of

i) (0.9998) 2 , correct to six places of decimal . ii) (1 + 2 ) 5 − (1− 2 ) 5 8.4 Using scientific calculator to solve the problems of permutation and combination.

Trigonometry : 9 Understand trigonometrical ratios of different angles.

9.1 Define angle. 9.2 Find geometrically the trigonometrical ratios of 00 , 300, 450, 600, and

900. 9.3 Solve the problems on heights and distances involving the solution of

right-angled triangles.

10 Apply the concept of associated angles. 10.1 Define associated angles. 10.2 Find the sign of trigonometrical function in different quadrants. 10.3 Calculate trigonometrical ratios of any angle. 10.4 Solve the problems using above.

11 Apply the principle of trigonometrical ratios of compound angles.

11.1 Define compound angles. 11.2 Establish the following relation geometrically for acute angles.

i) sin (A ± B) = sin A cos B ± cos A sin B. ii) cos (A ± B) = cosA cosB ± sinAsinB.

11.3 Deduce formula for tan (A ± B), Cot (A ± B). 11.4 Apply the identities to work out the problems:

i) find the value of sin 75 0, tan 75 0.

ii) show that 315sin75sin15sin75sin

00

00

=−+

iii) if α + β = θ, tanα + tan β = b, cot α+ cot β = a, show that (a − b) = ab cot θ .

12 Apply sum and product formula of trigonometrical ratios.

29

12.1 Express sum or difference of two sines and cosines as a product and vice-versa .

12.2 Solve problems of the followings types: i) show that, sin 55 o + cos 55O = 2 cos 100

ii) prove that, cos 800 cos 600 cos 400 cos 200 =1

16

13 Apply the concept of ratios of multiple angles. 13.1 State the identities for sin 2A, cos 2A and tan 2A. 13.2 Deduce formula for sin 3A, cos 3A and tan 3A. 13.3 Solve the problems of the followings types.

i) express cos 5θ in terms of cos θ .

ii) if tan α = 2 tan β, show that, tan (α + β) =α+

α2cos31

2sin3

14 Apply the concept of ratios of sub-multiple angles. 14.1 Find mathematically the identities for sin α , cos α and tan α in terms of

3and

2αα

14.2 Solve the problems of the type : find the value of cos 30 , cos 60 , cos 90 , cos 18 0, cos 360, etc.

30

1422 CHEMISTRY T P C 3 3 4

OBJECTIVES • To provide the students a background of basic science required for understanding

technology subjects. • To develop a working knowledge of common engineering and industrial materials

including physical and chemical properties and to enable to determine through experiments the properties of such materials.

• To develop a basic knowledge and concept of chemical reactions of common

engineering and industrial materials. • To develop through experiments the understanding of fundamental scientific

concept which will provide a common base for further studies in science and technology.

SHORT DESCRIPTION Role of Chemistry in the field of engineering and technology; Matter and its changes; Symbol, valency and chemical equations; Different types of chemical reactions; Catalyst and Catalysis; Acid, Base and Salt; Properties of gases; Dalton atomic theory; Avogadro’s hypothesis; Laws of chemical equivalent; Atomic weight and molecular weight; Atomic structure; Quantum numbers; Periodic table; Oxidation & Reduction; Chemical bond; Electrolytic conductance and electrolysis; Acid base equilibria; Nitric Acid; Sulfuric Acid; Halogen, Ammonia and Carbon dioxide; Water; Metals; Concept of Organic Chemistry; Aliphatic Hydrocarbon and Alcohols.

DETAIL DESCRIPTION Theory : ROLE OF SCIENCE IN THE FIELD OF ENGINEERING AND TECHNOLOGY MATTER AND ITS CHANGES 1 Symbol, Valency & Chemical Equation

31

1.1 Define matter, element, compound, mixtures, solutions and suspensions.

1.2 Distinguish between, " atoms and molecules", "physical change and chemical change", ”exothermic and endothermic changes and reactions“.

1.3 Identify exothermic and endothermic reactions from a given list of reactions.

1.4 Define symbol and formula, valency of elements and radicals. 1.5 Distinguish between molecular formula, empirical formula and structural

formula. 1.6 Discuss the variations of valency with examples. 1.7 Define active and latent valency. 1.8 Define chemical equation . 1.9 Explain the full meaning of a given chemical equation.

DIFFERENT TYPES OF CHEMICAL REACTIONS , CATALIST & CATALYSIS 2 Understand the concept of chemical reactions.

2.1 Define chemical reaction. 2.2 Name the methods of bringing about chemical reaction. 2.3 Give examples of eight different types of chemical reactions with

suitable examples. 2.4 Define catalysis and catalyst. 2.5 Mention different types of catalyst with examples. 2.6 List five uses of catalysts in industries.

ACID, BASE & SALT 3 Understand acid, base and salt.

3.1 Define acid, base and salt. 3.2 List five properties of acid, base and salt. 3.3 Classify salts according to their chemical properties. 3.4 Explain basicity of an acid and acidity of a base.

STATES OF MATTER 4 Understand properties of gases.

4.1 Identify the basic properties of gases. 4.2 Define Boyls law & Charls law, absolute temperature S.T. P /N.T.P 4.3 Deduse the relationship between pressure, volume and temperature of

a gas to establish Boyle’s Law , Charle’s law and the law of pressure. 4.4 Combine the gas laws to establish the gas equation. 4.5 Establish the partial pressure of mixed gases using Dalton’s law of

partial pressure.

32

4.6 Solve problems in relation to pressure, volume, temperature and partial pressure of a mixture of gases.

DALTON'S ATOMIC THEORY & AVOGADRO'S HYPOTHESIS 5 Understand Dalton's atomic theory & Avogadro's hypothesis

5.1 List the four postulates of Dalton's atomic theory. 5.2 Explain at least five limitations of Dalton’s atomic theory.

5.3 State Avogadro's hypothesis . 5.4 Explain Avogadro's constant. 5.5 Explain five applications of Avogadro's hypothesis in Chemistry. 5.6 Solve problems using the knowledge of Avogadro's hypothesis.

6 Understand chemical equivalent , Atomic & molecular weight. 6.1 Define the chemical equivalent of an element, a compound, a radical, an

alkali and a salt. 6.2 Explain the variations in chemical equivalent of an element. 6.3 List four uses of chemical equivalent. 6.4 Define atomic weight and molecular weight. 6.5 Establish a relationship among chemical equivalent, valency and atomic

weight. 6.6 Explain four methods of determination of atomic weight.

6.7 Solve problems to find out atomic weight, chemical equivalent and valency.

7 Understand the modern concept of atomic structure. 7.1 State the fundamental particles of atom. 7.2 Explain the following terms:

i) Atomic number ii) Isotopes iii) Isobar iv) Gram-atom v) Mass Number and vi) Gram molecular weight.

7.3 Describe Rutherford's and Bohr's atomic model.

8 Understand the quantum numbers. 8.1 Define quantum numbers . 8.2 Explain the significance of the following quantum numbers:

i) Principal quantum number ii) Subsidiary quantum number iii) Magnetic quantum number iv) Spin quantum number

8.3 Explain the Pauli's exclusion principle. 8.4 Explain the probability distribution of electrons round the nucleus. 8.5 Define orbit and orbital.

9 Understand the modern periodic table.

33

9.1 State the periodic law of elements. 9.2 Describe the modern long periodic table. 9.3 Explain the limitations of periodic table. 9.4 Explain the positions of hydrogen in the periodic table. 9.5 Explain the inert properties of zero group of elements. 9.6 Explain the properties of group -l A elements.

10 Understand oxidation and reduction. 10.1 Explain the modern concepts of oxidation and reduction with examples. 10.2 Explain "oxidizing agent" and "reducing agents " with examples. 10.3 Explain the oxidation and reduction takes place simultaneously. 10.4 Explain the oxidation number and oxidation state. 10.5 Write the oxidation number of an element from its compounds.

11 Understand the modern concept of chemical bonds. 11.1 Define chemical bond. 11.2 List the different types of bonds. 11.3 Explain the modern concept of ionic bonds . 11.4 Explain the co-valent bonds, co-ordinate bond, Sigma bond, Pie bond

.

12 Understand the fundamentals of electrolysis. 12.1 Define electrolysis. 12.2 Differentiate between electrical conductor and electrolyte. 12.3 Explain the process of electrolysis. 12.4 Explain Faraday's laws of electrolysis. 12.5 List at least four Industrial applications of electrolysis.

13 Understand pH value, Acidimetry and Alkalimetry. 13.1 Define pH, acidimetry and alkalimetry. 13.2 Explain pH scale and its uses. 13.3 Explain acidbase titration. 13.4 Explain the method of preparation of normal solutions. 13.5 Define of indicators and their uses. 13.6 Explain buffer solutions and their working mechanism.

14 Understand oxides and hydroxides. 14.1 Define oxide and hydroxide. 14.2 Describe the classification of oxides and hydroxides. 14.3 Explain different types of oxides and hydroxides with examples.

34

15 Understand the manufacturing process of nitric acid, sulfuric acid, hydrochloric acid, halogen. 15.1 State the chemical and physical properties of nitric acid, sulfuric acid

and hydrochloric acid. 15.2 Define halogen. 15.3 Identify the properties and uses of halogen. 15.4 Outline the effects on the environment of the manufacturing and uses

of nitric acid, sulfuric acid, chlorine and hydrochloric acid.

16 Understand the production of ammonia and carbon dioxide. 16.1 Explain the methods of production of ammonia. 16.2 Explain the properties of ammonia. 16.3 Describe the nitrogen cycle. 16.4 Compare the properties of CO and CO2 . 16.5 List the uses of carbon dioxide and outline its effects on the

environment.

17 Understand the chemical process involved in water treatment. 17.1 Distinguish between hard water and soft water. 17.2 Differentiate between temporary and permanent hardness of water. 17.3 List at least three disadvantages and three advantages of using hard

water. 17.4 Describe the Permutit process of softening hard water by explaining

the reactions that take place. 17.5 Explain the ion exchange resin process of softening water. 17.6 Describe chemical tests of water.

18 Understand the extraction and refining process for Iron, Copper, Zinc and

Aluminum. 18.1 Compare the properties of metal and non-metal. 18.2 Define (i) ores (ii) roasting (iii) calcination (iv) smelting (v) alloy (vi)

slag, (vii) Flux. 18.3 Describe the manufacturing process of iron and copper from its ore. 18.4 Compare the properties of (i) Cast Iron (ii) Iron (iii) Steel (iv)

Wrought Iron. 18.5 Give names and formulae of important ores of Iron, Copper, Aluminum

and Zinc.

19 Understand the concept of Organic Chemistry and organic compounds. 19.1 Define Organic Chemistry. 19.2 Distinguish between organic and inorganic compounds. 19.3 Explain homologous series of organic compounds.

35

19.4 List the molecular and structural formulae of methane, ethane, propane and butane.

19.5 Explain functional groups of organic compounds. 20 Understand the aliphatic hydrocarbons.

20.1 Define hydrocarbon, saturated and unsaturated hydrocarbons. 20.2 Define alkane, alkene and alkynes. 20.3 Explain commons system, derived system and IUPAC system of

nomenclature of organic compounds. 20.4 Describe the basic principal of preparation and uses of methane,

ethane, ethylene and acetylene.

21 Understand the preparation, properties and uses of alcohols. 21.1 Define Alcohols. 21.2 Explain the classification of alcohol. 21.3 Define the term enzyme, fermentation, de-carboxilation, power

alcohol, absolute alcohol and methelated spirit rectified sprit and their uses.

Practical : OBSERVATION AND MEASUREMENT 1. Measure the pH value of unknown solutions to classify them as neutral , acidic or

alkalis. 2. Prepare a decinormal solution of sodium bicarbonate. 3. Determine the unknown strength of an acid . Solve by a standard alkalis solution

with a suitable indicator. QUALITATIVE ANALYSIS OF KNOWN SALTS 4. Perform test tube tests for the known salt samples Copper salt, Iron salt, Lead

salt, Aluminum salt, Ammonium salt, etc. 5. Perform charcoal oxidation and reduction test for the different salt e.g. such as

Lead salt, Copper salt, Iron salt, Calcium salt, etc. 6. Perform tests to detect unknown basic radicals e.g. Lead, Copper, Iron Calcium,

Zinc, Aluminium, Magnesium, Ammonium and Sodium.

36

7. Perform tests to detect unknown acid radicals e.g. chloride, nitrate, carbonate and sulphate.

37

1111 BANGLA − I T P C 2 0 2

D‡Ïk¨ 1| gvZ…fvlv wn‡m‡e evsjvi cÖK…wZ I êwkó¨ m¤ú‡K© aviYv jvf| 2| fvlv `¶Zvmgy‡ni (Language skills) cÖv‡qvwMK †hvM¨Zv AR©b|

msw¶ß weeiYx fvlvi cÖK…wZ I êwkó¨; fvlvi ˆkj Dcv`vb; evsjv fvlvixwZi wewfbœZv; evbvbNwUZ mgm¨v; aŸwb cÖKiY; fvlvi aŸwbMÖvn¨ iƒc − †kvbv I ejv; fvlvi `„wóMvn¨ iƒc − cov I †jLv| wek` weeiYx 1 fvlvi cÖK…wZ I êwkó¨

1.1 mgvR eÜ‡bi cÖ_g I cÖavb m~Î wn‡m‡e fvlv 1.2 kvixi Dcv`vb I g‡bvRvMwZK Pvwn`v 1.3 Rxe‡bi weKvk I êwPÎ¨ 1.4 mgvR mf¨Zv I ms „‹wZi AMÖhvÎv

2 fvlvi ˆkj Dcv`vb m¤úwK©Z Ávb I eënvwiK KzkjZv 2.1 aŸwb I eY© 2.2 aŸwb DcKiY, evKcÖZ¨½ I D”PviYixwZ 2.3 aŸwb ms‡hvM I aŸwb cwieZ©b 2.4 kã I c`, k‡ãi MVb ‡KŠkj 2.5 mgv_©K kã, cÖwZkã, wecixZ kã I AwZ eëüZ kã 2.6 k‡ãi eënvi t h_v_© kã I k‡ãi h_v_© eënvi, kãcÖxwZ I cwiwgwZ †eva 2.7 kãcuywR t eënvwiK êwkó¨ I êwPÎ, cÖwZ w`‡bi kã, cwiwPZ kã , cÖwgZ kã, welqvbyM kã,

cvwifvwlK kã| 2.8 evK¨ t aŸwb I k‡ãi mw¤§jb 2.9 c`web¨vm t ev‡K¨ k‡ãi Ae¯’vb, ev‡K¨ k‡ãi wewkóv_© I e¨Äbv 2.10 fvj evK¨ t m¤¢ve¨ µwU I åvwšÍ, k~b¨Mf© evK¨, cybi“w³ I cybive„wË cwinvi, ev‡Kï cwimi − †QvU I `xN©

evK¨ 2.11 fve/welqe ‘i cÖ‡qvR‡b ev‡Kï web¨vm

3 evsjv fvlvixwZi wewfbœZv I êwPÎ

3.1 AvÂwjK fvlvixwZ t kã m¤ú` I cÖvYkw³ 3.2 mvay fvlvixwZ t kã I eënvwiK êwkó¨ (we`¨vmvMi, ew¼g P›`ª I iex›`ªbv_ VvKz‡ii iPbv †_‡K

bgybv)

38

3.3 PwjZ fvlvixwZ t eënvwiK êwkó¨ I êwPÎ − c`µg, kã eënvi, kã ms‡KvPb (me©bvg I wµqvc`), cÖengvbZv I cÖvYkw³ (iex›`ªbv_, cÖg_ †PŠayix, ey×‡è emy, ˆmq` gyRZev Avjx, KvRx Ave`yj I y` cÖgyL †jL‡Ki iPbv †_‡K bgybv)

4 evbvb NwUZ mgm¨v I evbvb fz‡ji cÖeYZv

4.1 evsjv eY©gvjv t mwVK eY©iƒc I MVb †KŠkj 4.2 evsjv evbvbixwZ 4.3 mgm¨v t evbvb I D”PviY, AvÂwjKZv, civbyKiY, nxbgb¨Zv

5 aŸwb cÖKiY I aŸwbi D”PviY

5.1 e¨Äb aŸwb t eM©xq aŸwbi D”PviY ’vb

6 fvlvi aŸwbMÖvn¨ iƒc t †kvbv I ejv

6.1 K‡_vcK_b, Av‡jvPbv 6.2 e³…Zv I weZK© 6.3 Mí ejv 6.4 NUbv eY©b I cÖwZ‡e`b Dc ’vcb 6.5 †gŠwLK Dc¯’vc‡b DÏxc‡Ki êwPÎ (Stimulus Variation )- k¦vmvNvZ, ¯îZi½, gxo, ¯î,

¯^vfvweK MwZ I ¯îfw½| 6.6 †gŠwLK Dc¯’vcb I `k©b-mvgMÖxi mgwš^Z iƒc 6.7 cwiwgwZ‡eva, cÖm½všÍi I cÖ‡¶cYixwZ, kvwšÍ Dw³ I im‡eva

7 fvlvi `„wóMÖvn¨ iƒc t cov

7.1 kªeY †hvM¨Zv, ï×Zv I ¯úóZv 7.2 gyw`ªZ mvgMÖxi A_©‡evaKZv t eB-cy¯ÍK, cÎ-cwÎKv, weÁvcb, ms‡KZ I wb‡`©k 7.3 bxie cVb I gb Abyaveb Ges ms‡hvwRZ I m¤cÖmvwiZ Dc¯’vcb 7.4 wPwVcÎ, ìLv¯Í I `wjj cvV

8 fvlvi `„wóMÖvn¨ iƒct †jLv

8.1 †jLvi êwkó¨ t ¯úó I cwi”Qbœ †jLv ( cVb †hvM¨Zv ). wbfz©jZv (ï× evbvb I evK¨ MVb). MwZ I ¯^vPQ›`¨ - Uvbv †jLv . UvBc †jLv , mgZv I `~iZ¡

8.2 n¯Ív¶‡ii MVb ‰ewPÎ (Calligraphy) 8.3 cÖKvk¶gZvi gva¨g wn‡m‡e †jLv t evK¨ MVb; Aby‡”Q` iPbv, cÖeÜ iPbv-we‡kl e³e¨ I Dc ’vc‡b

cÖwZ‡e`b (m~Pbv, ga¨fvM I Dcmsnvi) Gi Lmov cÖ¯‘Z I PzovšÍKiY; mvivsk wjLb; kÖ“Z wjLb I †bvU MÖnY; fve ms‡KvPb I m¤cÖmviY ; †NvlYv I weÁwß cÖ`vb ; cvVK‡K AvK…ó I DÏxwcZ Kiv (Persuading the readers)

39

1112 ENGLISH – I T P C 2 0 2

Objectives : After the completion of the course, learners will be able to develop- ∗ Listening with understanding ∗ The fluency of speech ∗ Reading with understanding

∗ Grammatical accuracy with emphasis on spelling & punctuation ∗ Creative writing

∗ Transferring information ∗ Communicating effectively

CONTENTS Seen comprehension

Unit Lesson Title 1 Learning a language 2 Why learn English

Three: Learning English

3 How to learn English 1 The environment and the ecosystem 2 How the environment is polluted

Six: Our Environment

7 How to manage waste 4 Erosion Seven:

Disasters we live with 5 The shake and the quake 2 Waste not, want not Eight:

Towards Social Awareness 3 Isn’t it too loud! Ten:

Entertainment 4 Entertainment through the ages

Twelve: Personalities

4 The man behind the Shaheed Minar

N.B: The Unit mentioned refers to the Text Book (1st Paper) English for Today for class 11 – 12 by National Curriculum & Text Book Board, Dhaka. GRAMMAR & COMPOSITION 1. Use of Parts of speech ; Articles; Phrasal verbs; Voice; Tense; Agreement of verbs with the subject

40

2. Sentence : a) Phrases and Clauses & Sentence structure (Assertive, Interrogetive, Optative, Imperative, Exclametory, Simple, Complex and Compound) b) question making: WH, Yes/No, Tag question 3. Verbs: a) Classification of verbs - Auxiliary/modal, principal, transitive, intransitive, causative b) Right form of vervs with indicators 4. Enriching vocabulary: synonyms, Antonyms, Homophones & Homonyms 5. Changing parts of speech & uses of suffix and prefix Guided Writing Writing a guided paragraph with questions.

41

1113 SOCIAL SCIENCE − I T P C (CIVICS) 2 0 2

OBJECTIVES To provide opportunity to acquire knowledge and understanding on : - importance of civics and its relationship with other social sciences - the relationship of an individual with other individuals in a society - social organizations, state and government - rule of law , public opinion and political parties - UNO and its roles - war of liberation and corporate patriotism for securing a position of dignity in

the community of nations. SHORT DESCRIPTION Civics and Social sciences; Individual and Society ; Nation and Nationality; Citizenship; State and Government ; Law; Constitution; Government and its organs; Public Opinion; Political Party; UNO and its organs; War of Liberation – Bangladesh. DETAIL DESCRIPTION CIVICS AND SOCIAL SCIENCES Understand the meaning and scope of Civics.

1.1 State the meaning and scope of Civics 1.2 State the major disciplines belonging to social sciences and their scopes 1.3 Explain the importance of Civics in the personal and social life of an

individual. Understand the relationship of Civics with the major disciplines of Social Sciences.

State the relationship of civics with Political Science. State the relationship of Civics with Economics. Explain the relationship of Civics with Sociology. Discuss the relationship of Civics with Ethics.

INDIVIDUAL AND SOCIETY

42

Appreciate the relationship of the individual with the society Identify the position of an individual in his/her family and immediate community. State the mode of formation of a society with individuals and their social and

economic activities. Define society as an essential institution for human survival. State the relationship among the individuals in the society.

NATION AND NATIONALITY

Appreciate the concepts of nationality and nation.

discuss the term , “ nation” Explain the meaning of nationality. Differentiate between nation and nationality. Name the elements of nationality. Explain the criteria of Bangladesh nationalism.

CITIZENSHIP Understand the rights and duties of a citizen.

Describe the meaning of citizenship. Differentiate between a citizen and an alien. Discuss the methods of acquiring citizenship. State the causes of losing citizenship. Describe the rights of a citizen. State the need for developing good citizenship.

STATE AND GOVERNMENT Appreciate the relationship between the state and government.

Explain the meaning of state. Discuss the elements of state. Define government . Differentiate between state and government. Discuss the relationship between state and government.

RULE OF LAW

43

Understand the concept of rule of law. Define law Discuss the rule of law. State the sources of law.

CONSTITUTION Understand the classification of constitution.

Explain the different forms of constitution. Explain the merits and demerits of different forms of constitution. State the salient features of Bangladesh constitution.

FORMS OF GOVERNMENT Understand the forms and organs of government.

Discuss the modern classification of the forms of government. Explain the democratic form of government. Distinguish between cabinet form of government and presidential form of

government. Differentiate between unitary form of government and federal form of

government. Describe the main organs of government. State the functions of legislature , executive and judiciary.

PUBLIC OPINION AND POLITICAL PARTIES Understand the importance of the formation of public opinion.

Define public opinion. Explain the importance of public opinion in the modern democratic society. Discuss the role of different media in forming public opinion.

Understand the role of political parties in the affairs of state and government.

Define a political party. Discuss the importance of political parties in democracy. Describe the functions of political parties. Enumerate the merits and demerits of party system.

UNITED NATIONS ORGANIZATION (UNO) Understand the role of UNO in maintaining world peace.

Explain the major functions of UNO. State the composition and functions of General Assembly. Describe the composition and functions of Security Council. Discuss the functions of other organizations and specialized agencies of UNO. Discuss the role of Bangladesh in the UNO.

44

WAR OF LIBERATION – BANGLADESH Appreciate the events of the war of liberation of Bangladesh and the roles of martyrs

and freedom fighters. Describe ‘52 Language Movement in the background of prevailing social,

cultural and political conditions. State the major events leading to movement for autonomy for East Pakistan. Describe the major events leading to holding for general election in 1970. Describe the events leading to war of liberation and achievement of

independence of Bangladesh. Discuss the need for patriotism for upholding the ideals of martyrs and the spirit

of nationalism.

45

4-YEAR DIPLOMA-IN-ENGINEERING PROGRAM

MECHANICAL TECHNOLOGY

SYLLABUS

SECOND SEMESTER

46

3021 BASIC WORKSHOP PRACTICE – II T P C 1 3 2

OBJECTIVES To provide the students with an opportunity to acquire knowledge and skill to : • make simple mold and cores. • melt metals & alloys and cast safely. • perform different metal and fitting works. • use and take care of foundry and bench work hand tools and equipment. SHORT DESCRIPTION Foundry : Terms and symbols; Tools & measuring instruments; Machines and equipment; Foundry materials; Foundry patterns; Melting furnaces; Mold making; Core making; Melting and casting; Safety. Bench work : Grinders and abrasives; Fitting and assembly; Safety. DETAIL DESCRIPTION Theory : 1 Understand the concept of foundry work.

1.1 State what is meant by foundry work. 1.2 Classify works carried out in the foundry. 1.3 Describe foundry processes. 1.4 State the safety rules and house keeping applied to the foundry.

2 Know the terms and symbols related to the foundry works. 2.1 Define the terms used for patterns, mold and casting. 2.2 Identify the various types of pattern and pattern materials. 2.3 Describe the color code and symbols used for patterns. 2.4 Describe draft allowance, machining allowance, shrinkage allowance,

etc. 3 Understand the application of tools and equipment used in the foundry.

3.1 Distinguish pattern making, molding, melting and casting tools & equipment.

3.2 Mention the uses of common foundry tools & equipment. 3.3 State the safety rules applied to foundry tools and equipment. 3.4 Describe care and maintenance of foundry tools and equipment.

4 Understand the application foundry materials.

4.1 Identify sand, binders and additives used as foundry materials.

47

4.2 Identify ferrous and non-ferrous metals and alloys used for casting. 4.3 Describe use of various de-gassing chemicals and other additives.

5 Understand shell molding, lost wax process and other precision casting methods. 5.1 Describe the shell pattern making process. 5.2 Describe the lost wax process and other casting methods. 5.3 Identify materials used for patterns. 5.4 Identify various exotic binders used in shell molding.

6 Understand the application of melting furnaces. 6.1 Classify the various types of melting furnace. 6.2 Describe the construction and operation of cupola, crucible, pit and

other commonly used foundry furnaces. 6.3 Mention the use of different types of furnace.

7 Understand the principle of mold making. 7.1 Describe the types of molds which are commonly used. 7.2 Describe moisture content, additives, binders, sand strength,

permeability and other mould testers. 7.3 Describe the mold making processes ( ramming, venting, gating,

coating, drying, etc.) 8 Know the concept of casting process.

8.1 Describe the melting and de-gassing process. 8.2 Describe the processes of pouring, cleaning and finishing (fettling). 8.3 State the safety rules applied to foundry melting and pouring.

9 Understand the concept of core making process. 9.1 Recognize the necessity of cores. 9.2 Select core making materials. 9.3 Describe the core making process.

10 Understand the application of hand tools and measuring instruments for bench work.

10.1 Identify cutting, measuring and laying out tools. 10.2 Recognize the use of cutting, measuring and laying out tools. 10.3 Identify care and maintenance of hand tools and basic measuring

instruments. 11 Understand the application of machines and equipment used in the fitting

shop. 11.1 Identify power machines and manual machines in fitting shop for

specific use. 11.2 Describe care and maintenance of machines and equipment used in the

fitting shop. 12 Understand the concept of bench work, fitting and assembly.

12.1 Describe the process of laying out & marking, sawing, chipping, filing and drilling.

48

12.2 Identify internal and external threads. 12.3 Describe the limits and fits as applied to fitting and assembly. 12.4 Identify types and use of surface finish applied to fitting and assembly. 12.5 State the safety rules and house keeping applied to the fitting shop.

13 Understand the application of grinders and abrasives. 13.1 Classify grinding machines and abrasives used in the fitting shop. 13.2 Describe the use of grinders. 13.4 State safety rules applied to grinding machinery.

Practical : 1 Demonstrate the process of pattern making.

1.1 Select wood, pattern shape and produce simple single sided pattern. 1.2 Determine draft angles and color code finish for pattern. 1.3 Follow safety rules applied to pattern making.

2 Demonstrate sand molding techniques.

2.1 Prepare suitable sand for green sand mold making. 2.2 Produce a sand mold using drag and cope or sand bed. 2.3 Vent the mold, split, remove pattern and dry with mold coating. 2.4 Prepare a pouring a basin and pouring gates in mold surface.

3 Demonstrate melting techniques.

3.1 Prepare, clean and inspect furnace before use. 3.2 Melt metal scrap, remove slag applying de-gassing tablet and pour

molten metal. 3.3 Follow safety rules applied to metal melting.

4 Demonstrate cleaning, fettling and inspection techniques.

4.1 Remove casting from mold, clean with water, air or wire brush, remove flashing, runners and risers and clean the casting.

4.2 Demonstrate the use of chisels, hacksaws, grinders and other machinery in the fettling process.

4.3 Inspect casting visually for casting defects. 4.4 Follow safety rules applied to the casting inspection.

5 Demonstrate sawing, chipping, filing, grinding and finishing.

5.1 Select tools for sawing, chipping, filing, grinding and finishing. 5.2 Prepare workpiece for sawing, chipping, filing and grinding. 5.3 Make jobs like wrench, angle gauge, hinge using the operation of

sawing, chipping, filing and grinding. 5.4 Follow safety rules applied to metal bench shop.

49

6 Demonstrate the process of drilling, reaming and threading. 6.1 Select appropriate tools and materials for drilling, reaming and

threading. 6.2 Lay out the workpiece for drilling. 6.3 Drill holes on the workpiece. 6.4 Ream the holes. 6.5 Cut threads using a tap. 6.6 Make a nut applying all the metal bench operations. 6.7 Follow safety rules applied to drilling, reaming and threading.

7 Demonstrate the application of fitting hand tools and equipment. 7.1 Inspect common fitting tools and equipment and assess safety and

preventive maintenance measures. 7.2 Produce simple job using all common fitting tools. 7.3 Demonstrate a complete fitting job including assembly, surface finish,

threads and accurate measurement using common measuring tools and instruments.

7.4 Follow safety rules applied to the fitting tools and equipment. REFERENCE BOOKS

1 Foundry Engineering ⎯ T. R. Banga, R. L. Agarwal

2 Small Scale Foundries for Developing Countries ⎯ J. D. Harper

3 Basic Sheet Metal Practice ⎯ J. W. Giachino

4 Prathomic Fitting Sikkha ⎯ Hemanta Kumar Bhattacharia

5 Metal Fabrication ⎯ Robert L. O’con

6 Sheet Metal Work ⎯ Blackburn & Cassidy

3022 MECHANICAL ENGINEERING DRAWING – I T P C

0 6 2 OBJECTIVES • To develop ability to prepare of orthographic, isometric and oblique freehand

sketches of mechanical engineering components. • To provide ability to prepare orthographic, isometric and oblique drawing of

mechanical engineering components.

50

• To enable in drawing sections and intersections adopting ISO drawing conventions.

• To provide basic competence in preparing the drawing of a simple building. SHORT DESCRIPTION Freehand sketching; Drawing orthographic views; Preparing isometric and oblique drawing; Drawing sections and conventions; Preparing simple building drawing. DETAIL DESCRIPTION 1 Prepare freehand sketches of mechanical engineering components.

1.1 Sketch freehand pictorial views of mechanical engineering components (like ball peen hammer, hand wheels, step pulley, etc).

1.2 Sketch freehand orthographic views of mechanical engineering components.

2 Construct first and third angle orthographic views.

2.1 Identify orthographic projection in 1st and 3rd angle. 2.2 Choose minimum required number of views and complete orthographic

drawing of mechanical engineering components. 2.3 Draw three views of a machine part having hidden features. 2.4 Identify and draw the missing view and missing line/lines in a drawing of

mechanical engineering component .

3 Prepare oblique drawing. 3.1 Identify oblique drawing. 3.2 Draw oblique circle. 3.3 Draw oblique views from the orthographic drawing or actual component. 3.4 Dimension the oblique drawing.

4 Prepare isometric drawing. 4.1 Identify the isometric drawing. 4.2 Draw an isometric circle. 4.3 Draw oblique views from orthographic views or actual object using

isometric scale. 4.4 Put dimensions on isometric drawing.

5 Adopt ISO sectioning conventions. 5.1 Draw sectional symbols used for different materials as per ISO

convention. 5.2 Draw different sectional views of mechanical engineering components.

51

6. Prepare drawing of a simple building.

6.1 Identify the conventions and symbols used in building drawing. 6.2 Identify the different parts of a building in a drawing. 6.3 Draw a plan of a single storied building. 6.4 Draw elevation and section of the same building conventionally and put

dimensions. REFERENCE BOOKS 1. Prathomic Engineering Drawing

⎯ Hemanta Kumar Bhattacharia 2. Fundamentals of Engineering Drawing

⎯ French & Vierck 3. A Manual of Engineering Drawing

⎯ French & Vierck 4. Mechanical Drawing

⎯ French Svensen

52

3023 APPLIED MECHANICS − I T P C 2 3 3

AIMS • To facilitate understanding the fundamental of units and their

conversions. • To enable to understand the vector operators and the application in

applied mechanics. • To provide the understanding of the composition and resolution of

forces and computing the resultant force. • To provide the understanding of parallel forces, couple and ability to

computing the moment of inertia. • To provide understanding the centroid and enable to computing the

centre of gravity. SHORT DESCRIPTION

Fundamental of mechanics and unit conversion, vector operators and their applications. Composition and resolution of forces. Moment and their applications. Equilibrium of force. Parallel forces, couples, centre of gravity and moment of inertia.

DETAIL DESCRIPTION Theory : 1. Understand Fundamental of Mechanics.

1.1. Define mechanics. 1.2. Classify applied mechanics. 1.3. Describe fundamental units. 1.4. Discuss system of units. 1.5. Discuss the conversion of units. 1.6. Illustrate the fundamental mathematics (algebra, trigonometry &

calculus) used in mechanics. 2. Understand the force vector.

2.1. Define sealer and vector quantities. 2.2. Describe vector operators. 2.3. Express vector addition and subtraction of forces. 2.4. Express vector addition and subtraction of a system of coplanar forces. 2.5. Explain Cartesian vector.

3. Understand the application of vector operators. 3.1. Define position vector. 3.2. Express addition and subtraction of position vector.

53

3.3. Describe force vector directed along a straight line. 3.4. Define dot product and cross product. 3.5. Solve problems related to above specific objects.

4. Understand the composition and resolution of forces. 4.1. State the effect of forces. 4.2. Mention the characteristics of a force. 4.3. Define resultant force and composition of forces. 4.4. Find the resultant force graphically and analytically. 4.5. Write the laws of forces. 4.6. Define resolution of a force. 4.7. State the principle of resolution of force.

5. Understand the principles of resultant force. 5.1. Express the deduction of the formula for finding the resolved part of a

component. 5.2. Find the magnitude and position of the resultant force graphically and

analytically. 5.3. Solve problems related to resultant force.

6. Understand the aspects of moment of forces. 6.1. Define moment of force. 6.2. Represent the moment of a force geometrically. 6.3. Mention the units of moment. 6.4. Identify the clockwise and anticlockwise moment. 6.5. State the Varignon’s principle of moments. 6.6. State the laws of moments. 6.7. State what is meant by the lever. 6.8. Identify the types of lever. 6.9. Solve problems related to moment of forces.

7. Understand the aspects of equilibrium of forces. 7.1. Mention different system of forces. 7.2. State the principles of equilibrium of forces. 7.3. State the Lami’s theorem. 7.4. Express the derivation of Lami’s theorem. 7.5. Describe different methods of the equilibrium of coplanar forces and

non-coplanar forces. 7.6. Explain the conditions of equilibrium. 7.7. Mention the various types of equilibrium of forces. 7.8. Solve problems related to equilibrium of forces.

8. Parallel forces and couples. 8.1. Classify parallel forces. 8.2. Describe like parallel forces and unlike parallel force. 8.3. Explain the resultant of like parallel forces and unlike parallel forces. 8.4. Define couple.

54

8.5. Classify couple. 8.6. Narrate the characteristics of a couple. 8.7. Solve the problems related to couple.

9. Understand the concept of center of gravity. 9.1. Define center of gravity and centroid. 9.2. Distinguish between center of gravity and centroid. 9.3. Explain the methods of finding out center of gravity of simple

geometrical figure. 9.4. Determine the center of gravity of simple geometrical figure

geometrically and by integration. 9.5. Identify the axis of reference and axis of symmetry. 9.6. Determine the center of gravity of plain geometrical figure by first

principle of moments. 9.7. Calculate the center of gravity of compound geometrical figure or areas

by moments. 9.8. Calculate the center of gravity of solid bodies.

10. Understand the application of moment of inertia. 10.1. Explain the term moment of inertia. 10.2. Mention the units of moment of inertia. 10.3. Express the derivation of the formulae for moment of inertia of an area. 10.4. Describe the methods for finding out the moment of inertia. 10.5. Find the moment of inertia of simple areas by the method of integration. 10.6. State the theorem of perpendicular axis as applied to moment of inertia. 10.7. Show the proof of the theorem of perpendicular as applied to moment of

inertia. 10.8. State the parallel axis theorem in the determination of moment of inertia

of areas. 10.9. Explain the radius of gyration and section modulus. 10.10. Calculate the moment of inertia and section modulus of composite

sections and simple solid bodies. Practical : 1 Determine the resultant force by using force board.

1.1 Set up the force board. 1.2 Set up the accessories on the force board. 1.3 Find the resultant force. 1.4 Calculate the magnitude of resultant force. 1.5 Compare the calculated values with experimental values.

2 Determine the compression load using crane boom. 2.1 Set up the crane boom.

55

2.2 Set up the accessories on the crane boom. 2.3 Find the compression load on the jib. 2.4 Calculate the compression analytically. 2.5 Compare the experimental values with analytical values.

3 Determine the equilibrium force by using Kennon force table. 3.1 Set up the Kennon force table. 3.2 Set up the accessories on the Kennon force table. 3.3 Find the magnitude and direction of a force establishing equilibrium. 3.4 Calculate the magnitude and direction of equilibrium force. 3.5 Compare the calculated values with experimental values.

4 Determine the center of a triangular lamina. 4.1 Select a triangular lamina and a plumb bob. 4.2 Set up the plumb bob. 4.3 Find the center point of the triangular lamina.

5 Determine the center of gravity of solid body. 5.1 Select solid bodies such as solid rod, step rod and body with cut out

holes. 5.2 Select a fulcrum. 5.3 Set up the fulcrum. 5.4 Find the center point. 5.5 Compare the analytical values with experimental values.

REFERENCE BOOKS 1 Applied Mechanics − R. S. Khurmi 2 Applied Mechanics − R. K. Jain 3 Applied Mechanics − Fairries 4 Analytical Mechanics − Faires & Nash 5 Mechanics of Materials − Morgan

56

2823 BASIC ELECTRONICS T P C 2 3 3

OBJECTIVES • To provide understanding of basic electronics terminology, electronic measuring

and test equipment. • To provide understanding and skill on the basic concept of semiconductor and to

identify physically a range of semiconductor diodes. • To develop comprehensive knowledge and skill on special diodes and devices. • To develop the abilities to construct different rectifier circuits. • To provide understanding of the basic concept and principle of transistor and to

identify physically a range of transistor. • To provide understanding and skill on the basic concept of logic gates, colour code

and soldering techniques. SHORT DESCRIPTION Basic electronics terminology; Electronic measuring and test equipment; Colour code and soldering; Semiconductor; P-N junction diode; Special diodes and devices; Power supply; Transistor; Transistor amplifier; Logic gates. DETAIL DESCRIPTION

Theory : 1 Understand the concept of electronic terminology, electronic measuring

and test equipment. 1.1 Explain the term “Electronics” as meaning the control of mainly low

levels of current using a wide range of electronic devices. 1.2 Recognize and describe the general function of resistors,

potentiometers, capacitors, inductors, transistors, rectifying diodes, light emitting diodes & integrated circuits and draw their circuit symbols.

1.3 Explain the basic functions and essential operating principles of the following measuring instruments:

Analogue voltmeters, ammeters & AVO meters. Digital AVO meters. Cathode ray oscilloscopes. Simple resistance bridges.

1.4 Identify the main precautions to be observed when handling and reading instruments.

57

1.5 Explain why most analogue meters are designed to be used horizontally.

1.6 Explain the basic function, essential operating principles and typical applications of the following test equipment :-

Variacs. Low voltage dc power supply units. Variable frequency sine and square wave generators.

2 Understand the concept of color code and soldering.

2.1 Describe the process of determining the value and tolerance of resistors and capacitors.

2.2 Explain the techniques necessary to produce correctly soldered joints. 2.3 Describe modern mass production (bath & wave) soldering techniques. 2.4 Explain the function and construction of printed circuit boards and

distinguish between single sided, double sided & multi-layered boards. 3 Understand the concept of semiconductor and compound semiconductor.

3.1 Define conductor, semiconductor & insulator. 3.2 Define semiconductor with atomic structure. 3.3 State the characteristics of carbon, Silicon, germanium & gallium

arsenide/phosphide. 3.4 Describe the generation and recombination of holes and electrons in

intrinsic semiconductor. 3.5 Define doping, p-type & n-type material, covalent bond, majority &

minority carrier. 3.6 Describe the advantages of GaAs against the silicon.

4 Understand the concept of P-N junction diode.

4.1 Describe the formation of a p-n junction. 4.2 Define depletion layer, potential barrier, drift & diffusion current and their

practical significance. 4.3 Explain the behavior of pn junction under forward & reverse bias. 4.4 Draw forward & reverse v-i characteristics curves and explain. 4.5 Explain the effect of temperature on Si & Ge diode characteristics. 4.6 Define static & dynamic resistance for silicon and germanium diodes. 4.7 Describe the specifications of diodes.

5 Understand the concept of special diodes and devices.

5.1 Explain the construction, operation and application of zener diode, tunnel diode, varactor diode, schottky diode, photo diode, VDR, LED & LCD.

58

5.2 Explain a simple voltage stabilization circuit using zener diode. 5.3 Explain the construction, operation and application of Diac, Triac, SCR,

FET, UJT, GTO, IGBT & solar cell.

6 Understand the operation of power supply. 6.1 Define rectification and rectifier. 6.2 Explain the operation of half wave rectifier, full wave center tapped &

bridge rectifier. 6.3 State ripple factor and efficiency. 6.4 Explain with waveform the operation of different types of filters. 6.5 Describe the operation of voltage doubler and tripler. 6.6 Describe with the wave forms the operation of polyphase rectifiers

(halfwave and fullwave). 7 Understand the operation of bipolar transistor.

7.1 Describe the construction and mechanism of current flow for pnp and npn transistor.

7.2 Explain the forward & reverse biasing of pnp & npn transistor. 7.3 Describe the basic configuration of transistor (CB, CE, CC). 7.4 Describe leakage current and the effect of temperature on leakage

current. 8 Understand the concept of bipolar transistor amplifier.

8.1 Describe the supply polarities, direction of base, emitter & collector current flow of pnp & npn transistor for three (CE, CB, CC) configuration.

8.2 Explain the principle of amplification, input and output phase relationship, dc & ac current amplication factor (∝, β,γ), voltage and power gain.

8.3 Discuss the characteristic curves of CB, CE & CC transistor circuit. 8.4 Deduce the relation between ∝, β and γ. 8.5 Describe different methods of transistor biasing. 8.6 State equation and graphical representation of dc & ac load line. 8.7 Explain dc & ac equivalent circuit of transistor amplifier circuits.

9 Understand the operation of logic gates.

9.1 Define logic gates. 9.2 Describe the basic operation of basic gates (AND, OR NOT), XOR,

XNOR & universal gates (NAND, NOR). 9.3 Discuss the simple combinational logic circuit.

Practical : 1 Show skill in identifying the electronic components.

1.1 Observe the electronic components board and read the manuals.

59

1.2 Identify the different types of resistors with their values, tolerance and wattage.

1.3 Identify the different types of potentiometers with their values, & wattage.

1.4 Identify the different types of capacitors with their values, dc working voltages and types.

1.5 Identify the different types of diodes & rectifiers with the numbers and specifications.

1.6 Identify the different types of transistors and thyristors with their number and specifications.

1.7 Identify the different types of LED’s, IC’s and miniature relays with their number & specification.

1.8 Identify different types of transformer with their specification. 1.9 Identify different inductors with their values & current ratings. 1.10 Study the printed circuit boards. 1.11 Sketch the symbols of components used in electronic circuits. 1.12 Describe the basic function of each component. 1.13 Write a report on above activities.

2 Show skill in electrical measurement using general purpose laboratory

instruments. 2.1 Perform simple voltage and current measurements on basic series and

parallel resistor circuits using the following instruments. a) Voltmeters and ammeters b) AVO meters c) Digital multimeter d) Basic CRO

3 Show skill for determining the values of different resistors and capacitors

with the help of color code. 3.1 Select color code resistors & capacitors of different values. 3.2 Identify the colors and their numerical numbers. 3.3 Determine the value of resistors with tolerance. 3.4 Determine the value of capacitors and dc working voltage. 3.5 Write a report on above activities.

4 Show skill in performing soldering.

4.1 Select wires (single strand and multi strand) and cut wires to required length.

4.2 Select soldering iron, soldering tag and soldering lead. 4.3 Remove wire insulation to required length.

60

4.4 Clean and tin both iron and work piece. 4.5 Use a tinned iron in order to transfer adequate heat to the joint. 4.6 Joint two singles stranded wires mechanically and solder. 4.7 Joint two multi-strand wires mechanically and solder. 4.8 Perform soldering exercise for making three dimensional wire frame. 4.9 Sketch and write a report on the job.

5 Show skill in soldering & desoldering of electronic components and wires to the other components and circuit boards. 5.1 Select electronic components, wires and PCB. 5.2 Determine the rating of the soldering iron suitable for the work piece. 5.3 Clean and tin both iron & work piece. 5.4 Feed new soldering materials to the tinned and heated joint, in order to

produce a correctly soldering. 5.5 Check the quality of soldering. 5.6 Clean and tin iron and de-solder the joint and components. 5.7 Use solder suckers and solder braid for de-soldering. 5.8 Write a report on the Job.

6 Show skill in checking the semi-conductor diode. 6.1 Collect a range of semi-conductor diodes and manufactures literature. 6.2 Select the digital multimeter and set the selector switch to ohm range. 6.3 Determine the specification of semi-conductor diode. 6.4 Compare the determined specification with that of manufactures

literature. 6.5 Measure forward & reverse resistances of the diode. 6.6 Identify p and p side of the diode. 6.7 Determine the condition of the diode.

7 Show skill in sketching forward and reverse characteristics curves of a

semi-conductor diode. 7.1 Select meter, power supply, components and materials. 7.2 Complete circuit according to circuit diagram for forward bias. 7.3 Check all connections. 7.4 Measure forward bias and corresponding forward current. 7.5 Record results in tabular form. 7.6 Connect circuit according to circuit diagram of reverse bias. 7.7 Measure reverse bias and corresponding reverse current. 7.8 Record results in tabular form. 7.9 Sketch the curves form data.

8 Show skill in sketching waves of half wave rectifier circuit.

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8.1 Select meter, component, oscilloscope and materials. 8.2 Complete circuit of a half wave rectifier according to circuit diagram. 8.3 Check the circuit before operation. 8.4 Measure the input and output voltage and observe wave shapes in the

oscilloscope. 8.5 Sketch the output voltage wave shape.

9 Show skill in sketching waves of full wave center tapped rectifier circuit.

9.1 Select meter, component, oscilloscope and materials. 9.2 Complete a full wave rectifier circuit according to circuit diagram. 9.3 Check the circuit supply & polarity of supply. 9.4 Measure the input & output voltages and observe wave shapes in the

oscilloscope. 9.5 Sketch the output voltage wave shape. 9.6 Compare the result with half-wave rectifier circuit.

10 Show skill in constructing full wave bridge rectifier.

10.1 Select meter, component, oscilloscope and materials. 10.2 Build the circuit according to the circuit diagram. 10.3 Check the circuit. 10.4 Measure the input and output voltage. 10.5 Observe wave shape. 10.6 Compare the result with other rectifiers.

11 Show skill in identifying the bipolar junction transistor. 11.1 Select pnp & npn bipolar junction transistors. 11.2 Take DMM and manufacture’s literature of transistor. 11.3 Identify transistor legs. 11.4 Measure base-emitter, base-collector, forward and reverse resistance. 11.5 Determine the specifications with help of manufacturer’s literatures. 11.6 Identify pnp & npn transistor.

12 Show skill in determining input and output characteristics of a transistor in common emitter connection. 12.1 Select component, AVO meters, circuit board and required materials. 12.2 Construct the circuit. 12.3 Adjust the biasing voltage to appropriate point. 12.4 Record input and output voltage and current. 12.5 Plot the curve with recorded data.

13 Show skill in testing special diodes. 13.1 Select different types of special diodes. 13.2 Set the AVO meter in the ohm scale. 13.3 Measure resistances for each of two terminals. 13.4 Determine the condition (good and bad).

62

13.5 Determine the different terminals. 14 Verify the truth tables of different types of logic gates.

14.1 Select the specific gate. 14.2 Prepare the experimental circuit. 14.3 Adjust the power supply. 14.4 Verify the truth table.

REFERENCE BOOKS 1 Electronic Devices and circuits

⎯ Jacob Millman and C. Halkias 2 Electronic Devices and circuits

⎯ G. K. Mithal 3 Principles of Electronics

⎯ V. K Metha 4 Electronics and Radio Engineering

⎯ M. L Gupta 5 Industrial Electronics

⎯ G. K. Mithal

63

1421 MATHEMATICS − II T P C 3 3 4

OBJECTIVES • To enable in solving the simultaneous equations with the help of determinant. • To make understand the binomial expansion for negative and fractional index. • To enable to calculate the areas of regular polygons , hexagons, octagon,

hydraulic mean depth (HMD) of a channel, area occupied by water of circular culvert. excavation work.

• To provide the ability to calculate volume of regular solids like pyramid frustum of pyramid, prismoid, wedge and area of curved surfaces .

SHORT DESCRIPTION Algebra : Determinants, Partial Fractions, Binomial theorem for negative integral

index, Exponential Series. Trigonometry : Inverse circular functions, Properties of triangle and solution of

triangles. Menstruation: Area of rectangles, squares, triangles, quadrilaterals, parallelograms,

rhombus, trapezium, circle, sector, segment; Volume of rectangular solids, prism, parallelepiped , pyramids, cones , spheres, frustum of pyramid and cone; Area of curved surface of prism. Cylinder cone, pyramid and frustum of cone.

DETAIL DESCRIPTION ALGEBRA : 1 Apply determinants to solve simultaneous equations.

1.1 Expand a third order determinant. 1.2 Define minor and co-factors. 1.3 State the properties of determinants. 1.4 Solve the problems of determinants. 1.5 Apply Cramer’s rule to solve the linear equation.

2 Apply partial fraction to break the numerator and denominator.

2.1 Define proper and improper fractions. 2.2 Resolve in to partial fraction of the followings types :

a) Denominator having a non-repeated linear factor.

64

b) Denominator having a repeated linear factor. c) Denominator having a quadratic factors. d) Denominator having a combination of repeated, non-repeated

and quadratic factors .

3 Solve problems using binomial theorem 3.1 Write down the binomial theorem for negative and fractional index. 3.2 Solve problems of the followings types:

Expand i) ( ) n1

nx1 −− ii) 08.4

1

4 Understand exponential series. 4.1 Define e. 4.2 Prove that e is finite and lies between 2 and 3.

4.3 Prove that e x = 1Lx1+ + 2L

2x+ 3L

3x+ 4L

4x....... to ∝

4.4 Solve problems of the followings types :

i) 2L11+ + 4L

1 + 6L

1 + ......... to ∝

ii) 2L1

+ 3L21+

+ 4L321 ++

+ 5L4321 +++ + ....... to ∝

TRIGONOMETRY 5 Apply the concept of inverse circular function.

5.1 Explain the term inverse circular function and principal value of a trigonometrical ratio.

5.2 Deduce mathematically the fundamental relations of different circular functions.

5.3 Convert a given inverse circular function in terms of other functions. 5.4 Prove mathematically

i) tan −1 x + tan −1 y = tan −1 xy1yx

−+

.

ii) tan −1 x + tan −1 y + tan −1 z = tan −1 zxyzxy1

xyzzyx−−−

−++

iii) sin −1 x + sin −1 y = sin −1 ( )22 x1yy1x −+−

iv) 2 tan −1 x = sin −1 2x1x2

+=cos−1 2

2

x1x1

+−

=tan−1 2x1x2

−

5.5 Solve problems of the following types.

65

a) 2 tan −1 13 + tan −1

14 =

π4

b) cos tan −1 cot sin −1 x = x. c) Prove that the area of the segment cut from a circle of radius r

by a chord at a distance d from the centre is given by K= r 2

cos −1 dr − 22 drd −

6 Apply the principle of properties of triangles. 6.1 Prove the followings identities :

i) a

sinA = b

sinB = c

sinC =2R .

ii) a 2 = b 2 +c 2 − 2bc cos A iii) a = b cos C – c cos B .

iv) ∆ = 12 bc sin A.

6.2 Establish the followings.

a) tan 2A

= ( )( )

( )asscsbs

−−−

b) tan 2

C-B =

c bc - b

+ cot

2A

c) ∆ = 4Rabc

6.3 Solve the problems of the following types:

i) Prove cos (B − C) + cos A = bc2R

ii) An object experiences two forces F1 and F2 of magnitude 9 and 13 Newtons with an angle 1000 between their directions. Find the magnitude of the resultant R.

7 Apply the concept of area of triangle.

7.1 Find the area of triangle in the form,

i) A= 2a43

, a = length of a side of equilateral triangle.

ii) A= 4c

22 ca4 − , where a= length of equal sides,

c= third side.

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iii) A= ( )( )( )csbsass −−− , where a, b, c = length of the sides of a triangle and 2s is the perimeter of the triangle.

7.2 Use formula in 7.1 to solve problems.

8 Apply the concept of finding areas of quadrilateral & Parallelogram.

8.1 Define quadrilateral & Parallelogram. 8.2 Find the areas of quadrilateral when off sets are given. 8.3 Find the areas of a parallelogram. 8.4 Solve problems using above formulae.

9 Apply the concept of finding areas of rhombus & trapezium.

9.1 Define rhombus & trapezium. 9.2 Find the areas of rhombus when the diagonals are given. 9.3 Find the areas of trapezium in terms of its parallel sides and the

perpendicular distance between them. 9.4 Solve problems related to rhombus & trapezium.

10 Apply the concept of finding areas of regular polygon.

10.1 Define a regular polygon. 10.2 Find the area of a regular polygon of n sides, when

i) the length of one side and the radius of inscribed circle are given. ii) the length of one side and the radius of circumscribed circle are

given. 10.3 Find the area of a regular . a) hexagon

b) octagon when length of side is given.

10.4 Solve problems of the followings types: A hexagonal polygon 6 m length of each side has a 20 cm width road surrounded the polygon. Find the area of the road.

11 Understand areas of circle , sector and segment. 11.1 Define circle, circumference, sector and segment. 11.2 Find the circumference and area of a circle when its radius is given. 11.3 Find the area of sector and segment of a circle. 11.4 Solve problems related to the above formulae.

12 Apply the concept of volume of a rectangular solid. 12.1 Define rectangular solid and a cube. 12.2 Find geometrically the volume of a rectangular solid when its length,

breadth and height are given. 12.3 Find the volume and diagonal of a cube when side is given. 12.4 Solve problems with the help of 13.2 & 13.3.

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13 Apply the concept of the volume of a prism and a parallelepiped. 13.1 Define a prism, parallelepiped and a cylinder. 13.2 Find the volume of prism, parallelepiped and cylinder when base and

height are given. 13.3 Solve problems related to 14.2.

14 Apply the concept of the volume of pyramid, cone and sphere. 14.1 Define pyramid, cone and sphere. 14.2 Explain the formula for volume of pyramid, cone and sphere. 14.3 Solve problems related to 15.2.

15 Apply the concept of surface area of prism, cylinder and cone.

15.1 Explain the formulae for areas of curved surfaces of prism cylinder and cone.

15.2 Solve problems related to15.1.

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1412 PHYSICS-I T P C 3 3 4

OBJECTIVES • To provide the students a background of basic science i.e. Physics required for

understanding technological subjects. • To develop a working knowledge of common engineering and industrial materials

and to enable to determine through experiments the properties of such materials. • To develop through experiments an understanding of fundamental scientific

concept. • To develop a basic knowledge and concept of physical properties of common

engineering and industrial materials. SHORT DESCRIPTION Units and Measurements; Vector and Scalar quantities; Motion and Equations of motion; Force and Newton’s Laws of motion; Gravity and Gravitation; Simple Harmonic motion; Hydrostatics; Pressure, Density and Specific gravity; Sound : Concepts and nature of sound, Velocity of sound, Resonance, Ultrasonic. DETAIL DESCRIPTION Theory : ROLE OF ENGINEERING PHYSICS UNITS AND MEASUREMENTS 1 Understand units and measurements.

1.1 List the fundamental SI units for measuring time, mass, distance, temperature, electricity, light and substance.

1.2 Identify the symbols for fundamental units and some common derived SI units.

1.3 Solve problems on multiples and sub-multiples of SI units of measurement using prefix and symbols.

1.4 Identify the common instruments used to measure fundamental SI units and compare their operation and accuracy.

1.5 Identify suitable accurate measuring instruments for measuring time, mass, distance and temperature in a given situation.

VECTOR AND SCALAR QUANTITIES

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Understand vector and scalar quantities. Define vector quantities with examples. Define scalar quantities with examples. Show the various presentations of the vector quantities. Distinguish between vector and scalar quantities. Find the resultant of two vectors in different directions. Define laws of triangle of vector. Solve problems relating to vector and scalar quantities .

MOTION AND EQUATIONS OF MOTION Understand motion and equations of motion.

Define rest and motion. Classify motion. Define displacement, speed, velocity, acceleration and retardation. Explain the units of measurement of speed, velocity, acceleration and

retardation. Deduce the relationship between displacement, velocity, acceleration and

retardation from these definitions. Distinguish between (i) speed and velocity (ii) velocity and acceleration. Solve problems relating to motion and equation of motion.

Understand circular motion Define circular motion. Define angular velocity and linear velocity with their units. Distinguish between angular velocity and linear velocity. Calculate, length = radius × angular distance. Deduce the relation between angular velocity and linear velocity. Define centripetal and centrifugal force with examples.

Prove centrifugal force = r

mv 2

Solve problems relating to circular motion. FORCE AND NEWTON'S LAWS OF MOTION Understand force.

Define force. Define different units of force and their correlation and also mention the

dimension of force.

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Define different types of action and reaction, which creates different types of force.

State the laws of parallelogram of forces, and calculate the resultant of two forces acting at a point.

Resolve a force into horizontal and vertical components. Define parallel force and a couple. Find out the resultant of parallel forces.

Understand Newton's laws of motion. Define inertia and momentum. State the simple units and dimension of momentum. State and prove the principles of conservation of momentum. State Newton’s laws of motion. Verify the principle of conservation of momentum. Prove P=mf, from Newton's 2nd law of motion. Solve problems relating to Newton’s laws of motion.

GRAVITY AND GRAVITATION Understand gravity and gravitation.

Define and explain the Kepler's Law. Define gravity and gravitation. State the laws of gravity and gravitation. Define and determine the gravitational constant (G) and also mention its units

and dimension. Define acceleration due to gravity 'g' and also mention its units and dimension. Discuss the variation of 'g' at different places. Define mass and weight with their units and dimension. Distinguish between mass and weight. State and explain the laws of falling bodies and mention the equation of motion

of a body when it is projected vertically upwards or downwards. Solve problems relating to gravity and gravitation.

SIMPLE HARMONIC MOTION (SHM) Understand simple harmonic motion.

Define simple harmonic motion (SHM). State the characteristics of SHM. Describe a simple pendulum and a second pendulum. Define effective length, amplitude, phase, complete oscillation, period of

oscillation, frequency. State and explain the laws of simple pendulum. Describe a compound pendulum.

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Discuss the conditions under which a pendulum clock will go slow or fast. Draw L − T2 graph and calculate the value of 'g' for a specific effective length. Solve problems relating to simple harmonic motion.

WORK, POWER AND ENERGY Understand work, power and energy.

Define work, power and energy. State the units and dimensions of work, power and energy. State and prove the principle of the conservation of energy. Define potential energy ( PE ) and kinetic energy ( KE ). . Derive the equation of potential and kinetic energy. Show that the K.E. gained by a falling body is equal to the P.E. lost by the

body. Describe transformation of energy and mention the mass-energy relation. Recognize that the useful work can be found from:

efficiency = workinputworkoutput

× 100.

Solve problems relating to work, power and energy. ELASTICITY Understand the concept of elasticity.

Name some of the general and special properties of matter. Define Elasticity and Elastic limit. Define perfectly elastic body and perfectly rigid body. Define stress and strain with their units and dimensions. State and explain the Hook’s law. Describe various kinds of modulus of elasticity. Mention the units and dimensions of modulus of elasticity. Define Poisson’s ratio and determine the Young’s modulus of elasticity by

Searles method. Solve problems relating to elasticity.

FRICTION Understand Friction

Define friction. Describe the different kinds of friction. Define the laws of static friction. Define the co-efficient of static friction. Describe the angle of static friction and angle of repose. Describe the laws of kinetic friction.

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State the co-efficient and angle of kinetic friction. Show that the co-efficient of static friction is equal to the tangent of angle of

repose. Describe an experiment to determine the co-efficient of static friction. State the merits and demerits of friction. Solve problems relating to friction.

HYDROSTATICS Understand behavior of fluids.

Define pressure as force per unit area and state that it is measured in N/m2 or Pa (Pascal).

State characteristics of liquid pressure. Establish that pressure at a point in a fluid is dependent upon the density of the

fluid, the depths in the fluid and acceleration due to gravity. Calculate the magnitude of pressure at a point within a fluid. Identify that the pressure at a point on an immersed surface in a fluid is not

dependent upon the area of the surface or the volume of fluid. Calculate fluid pressure in different liquids at different depths in cylinders of

different diameters. Solve problems relating to hydrostatics.

DENSITY AND SPECIFIC GRAVITY Understand density and specific gravity

State and prove Archimede's Principle. Define density and specific gravity. State the units of density and specific gravity. Distinguish between specific gravity and density. Show that in S.I. system the density is thousand times greater than its specific

gravity. Establish the density of water at different temperatures. Find out specific gravity of solids and liquids. Solve problems relating to density and specific gravity.

SOUND Understand nature and behavior of sound.

Identify that sound is produced by vibration and travels through a medium as a longitudinal wave.

Distinguish between the production and behavior of longitudinal and transverse waves.

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Recognize that sound can be produced of different pitches (frequencies) & that the human ear has an audible frequency range covering approximately 20 Hz to 20 KHz.

State the approximate frequency range for a. infrasonic sound b. ultrasonic (supersonic) sound.

Explain how sound is absorbed, reflected & refracted by different types of surface.

Describe the practical uses of echo sounding devices. Define velocity of sound. State the velocity of sound at NTP in still air. Compare the effects of pressure, temperature & humidity on the velocity of

sound in air. Practical : Observations and Measurements 1. Determine accurate diameter/side of an object using vernier calipers. 2. Measure the diameter of a wire by micrometer screw gage. 3. Measure the thickness of a glass plate by spherometer. 4. Verify the law of parallelogram of forces by a force board. 5. Verify the Newton's 2nd law of motion. 6. Determine the value of 'g' by using a simple pendulum. 7. Determine the coefficient of static friction. 8. Verify Hook’s law. 9. Determine Young’s modulus of a steel wire by Searle’s apparatus. 10. Verify Archimedes principle. 11. Determine gravity of a solid heavier than and insoluble in water by hydrostatic

balance. 12. Determine specific gravity of a solid lighter than & insoluble in water by

hydrostatic balance.

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13. Determine specific gravity of a liquid by specific gravity bottle. 14. Determine velocity of sound by resonance air column method.

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1121 BANGLA − II T P C 2 0 2

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4 Rxebx- Wvt †gvnv¤§` Beªvnxg|

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1122 ENGLISH – II T P C 2 0 2

OBJECTIVES : After the completion of the course, learners will be able to develop- ∗ Reading and writing skills ∗ Grammatical accuracy with emphasis on spelling & punctuation ∗ Information Collection ∗ Creative Writing ∗ Effective Communication and Correspondence

CONTENTS Seen comprehension

Thirteen: We and Our Rights

2 Women have rights too

Fourteen: Human Resources

3 Enriching the workforce

Fifteen: Towards Social Development

3 Work all, prosper all

1 The Sangsad Bhaban Sixteen: Wonders Home and Abroad 2 The Jamuna Multi-Purpose Bridge

Eighteen: World Heritage

3 The Buddhist Vihara at Paharpur

Nineteen : Healthy Living

5 The disabled among us

2 How can I be self-employed? Twenty: Jobs and Professions 3 Self-help a key to success

1 The world as a global village 3 Modern technology and globalization

Twenty-one: Globalisation

6 Globalisation and English N.B: The Unit mentioned refers to the Text Book (1st Paper) English for Today for class 11 – 12 by National Curriculum & Text Book Board, Dhaka. GRAMMAR

Unit Lesson Title One:

Pronouns & Determiners 3 Determiners

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Eight: Use of Direct & Indirect Speech

2 Changing Speech

Twelve: Further Use of Preposition

2 Appropriate Prepositions

Thirteen: Further Uses of Articles

1 Uses of Articles

Fourteen: Idiom and Phrase

9 Some common Idioms

N.B: The Unit mentioned refers to the Text Book (2nd Paper) English Grammar and Composition for class XI - XII by National Curriculum & Text Book Board, Dhaka. COMPOSITION Area of interest: With hints/ key words National, Social, Political Problems: Terrorism, Drug Addiction, Acid Violence, Dowry, Load shedding, Price Hike, Gender Discrimination, Traffic Jam, Deforestation etc. Calamities: Drought, Erosion, Flood, Cyclone, Earth quake, Landslide etc. National days and festivals: International Mother Language Day, Independence Day, Victory Day, Pahela Baishakh, May Day etc. Scientific Development: Satellite, Optical Fiber, E-mail, Internet & Agricultural Development. Environment Pollution: Water, Air, Sound, Global Warming. Heritage sites: The Sundarbans, National Memorial, Cox’s Bazar Sea Beach, Bhashani Novo Theatre. Industries: Garments, Textile, Poultry, Leather, Ceramics, Fertilizer. 1. Writing a short composition 2. Writing a report on a situtation/event/incident. 3. Writing a formal letter/CV.

78

Practical 1. Asking Questions : WH, Yes/No, Tag questions 2. Conversations on real life situations

a) Today's market price b) About festival c) Preparation for the examination d) Last day of examination e) Visit to place of interest f) Choice of profession g) Current Topics from Newspapers.

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1123 SOCIAL SCIENCE − II T P C (ECONOMICS) 2 0 2 OBJECTIVES To provide opportunity to acquire knowledge and understanding on : − the basic concepts and principles of economics and human endeavor in the

economic system. − the realities of Bangladesh economy and the current problems confronting the

country. − the role of Diploma Engineers in industries. − occupations and career planning for Diploma Engineers. − Engineering Team. SHORT DESCRIPTION Nature, scope and importance of Economics; Basic concepts of Economics – utility, wealth, consumption, income and savings; Production – meaning, nature, factors and laws; Demand and Supply; Scale of production and organization; Division of Labor; Current economic problems of Bangladesh; Role of Diploma Engineers in the economic development of Bangladesh; Occupations and career planning; Engineering team.

DETAIL DESCRIPTION NATURE, SCOPE AND IMPORTANCE OF ECONOMICS 1 Understand the importance of the study of Economics.

1.1 Discuss the definitions of Economics as given by eminent economists. 1.2 Describe the scope of Economics. 1.3 Discuss the relation of Economics with other Social Sciences.

BASIC CONCEPTS OF ECONOMICS 2 Understand fundamental concepts of Economics

2.1 Define commodity. 2.2 Define utility. 2.3 Differentiate between value in use and value in exchange. 2.4 Explain wealth with its characteristics. 2.5 Discuss the term, ”consumption“. 2.6 Define income. 2.7 Explain the term, ”savings“.

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PRODUCTION : MEANING, NATURE AND LAWS 3 Understand the process of production.

3.1 Discuss production mode and process. 3.2 Explain the nature of different factors of production. 3.3 Describe the relative importance of factors of production.

4 Understand the concept of the law of diminishing returns in the

production process. 4.1 Discuss the law of diminishing returns. 4.2 State the application and limitations of the law of diminishing returns. 4.3 Discuss the law of increasing returns. 4.4 Define the law of constant returns. 4.5 Draw the curve of diminishing returns.

DEMAND AND SUPPLY 5 Appreciate the importance of the concept of elasticity of demand.

5.1 Illustrate the law of diminishing utility. 5.2 Define marginal utility and explain the law of diminishing marginal utility. 5.3 Define the term, ”demand“. 5.4 Describe elasticity of demand and factors which determine the elasticity

of demand. 5.5 Describe elasticity of supply with the help of a supply curve.

SCALE AND ORGANIZATION OF PRODUCTION 6 Distinguish between small scale and large scale production.

6.1 Describe the factors which determine the scale of production. 6.2 Discuss the large scale production with its advantages and

disadvantages. 6.3 Describe the domain of small scale production with its advantages and

disadvantages in the context of Bangladesh. 6.4 Distinguish between a large scale industry and a small scale industry.

DIVISION OF LABOR 7 Understand Utility of Division of Labor.

7.1 Define division of labor. 7.2 Describe the kinds of division of labor. 7.3 Explain the advantages and disadvantages of division of labor.

NATIONAL INCOME AND POPULATION CONTROL

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8 Understand national income and population control. 8.1 Explain national income. 8.2 Discuss GDP and GNP. 8.3 Discuss growth rates. 8.4 Explain features of Bangladesh population. 8.5 State measures to be undertaken to arrest high growth rate of

population. CURRENT ECONOMIC ISSUES OF BANGLADESH 9 Understand the current economic issues of Bangladesh.

9.1 Identify major problems of rural economy. 9.2 Identify the major problems of urban economy. 9.3 Explain income distribution in alleviating poverty, inequality and

discrimination. 9.4 Explain the migration of rural population to urban areas.

10 Understand the availability and use of natural resource in the economic

development of Bangladesh. 10.1 List the natural resources of Bangladesh and classify them according to

sources of availability. 10.2 Explain the importance of the various resources and their potential uses. 10.3 Discuss the need for conservation of forests for economic development

and as a measure to preservation of environmental balance. 10.4 Discuss use of water resources. 10.5 Discuss use of resources and sustainable development.

ROLE OF DIPLOMA ENGINEERS 11 Understand the role of a Diploma Engineer in the development of

Bangladesh economy. 11.1 State the general job description of a Diploma Engineer. 11.2 Explain the relation of Diploma Engineers with other professionals and

employers including skilled workers in the industries. 11.3 Discuss the role of a Diploma Engineer in the industries. 11.4 Identify the role of a Diploma Engineer in the overall economic

development of Bangladesh. OCCUPATIONS AND CARRIER PLANNING

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12 Appreciate the career prospects for Diploma Engineers in different

production/service engineering organizations. 12.1 Explain the employment opportunities for Diploma Engineers in

different sectors and sub-sectors of economy. 12.2 List the different organizations, sector and sub-sectors providing

employment to Diploma Engineer. 12.3 Discuss positions of Diploma Engineers in different engineering firms. 12.4 Discuss the avenues of mobility (vertical and horizontal) for Diploma

Engineers in different organization. 12.5 Explain socio-economic status of a Diploma Engineer. 12.6 Explain prospects of Diploma Engineers in self-employment.

ENGINEERING TEAM

13 Understand the diversity of the roles played by Diploma Engineers.

13.1 Explain the concept of the term, ”Engineering Team“. 13.2 Identify the functions of Engineers, Diploma Engineers and Craftsmen

forming the engineering team. 13.3 Explain the need for coordinating the functions of different members of

the engineering team.

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1211 PHYSICAL EDUCATION T P C 0 1 1

OBJECTIVES • To enhance body fitness. • To make aware of first aid procedure. • To acquaint with the common games and sports. SHORT DESCRIPTION Warming up; Yoga; Muscle developing with equipment; First aid; Games & sports. DETAIL DESCRIPTION 1. Warming up

1.1 General Warming-up : Head rotation, Hand rotation, Side twisting, Toe touching, Hip

rotation, Keen twisting, Ankle twisting, Push up & Sit up. 1.2 Squad Drill :

Line, File, Attention, Stand at easy, Stand easy, Left turn, Right turn, About turn, Mark time, Quick march, Right wheel, Left wheel, Open order march & Closed order march.

1.3 Specific warming up :

Legs raising one by one, Legs raising in slanting position, Knee bending and nose touching, Heels raising, Toes touching & Laying position. 1.4 Mass Physical Exercise (Free hand) :

Hand raising, Side twisting, Front & back bending, Front curl, Straight arms curl two hands, Hands raising overhead and Push up & Push down.

2. Yoga

Dhyanasan : Shabasan, Padmasan, Gomukhasan, Sharbangasan, Shirshsan

Shasthyasan : Halasan, Matshasan, Paban Muktasan, Ustrasan

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3. Muscle Developing with equipment

Damball : Front curl, Hand sidewise stretching, Arms raising overhead.

Barball : Front press, Leg press, Rowing motion with leverage bar.

Rope climbing : Straight way climbing, Leg raising climbing.

Horizontal bar : Chinning the bar front grip, Chinning the bar wide back grip.

Jogging Machine : Slow, medium, and fast running

Rowing Machine : Toe touching with knee bending

Multigym Machine : Leg press, Back press.

4. First aid

Primary prevention of electric shock, Snakes biting, Driving patient burning patient.

Bandage Binding : Arm sling, Heel, Finger, Knee, Hip, Head, Ring pad. 5. Games and sports

Football : Should trap, Thigh trap, Abdomen trap, Chest trap, Heading,

Shorting, tackling, Goal keeping. Cricket :

Balling, Batting, wicket keeping, fielding. Handball :

Catch the ball, Ball pass (all kinds of pass), Attack, Drill, Shorting Volleyball :

Service, Dig receive and pass, Busting, Smashing, Blocking. Badminton :

Gripping, Service, Receive, Smashing, Foot working. Athletics :

Truck events, Field events.

3011 basic workshop practice i t p c 1 6 3...5 3011 basic workshop practice − i t p c 1 6 3 aims...

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