engineering drawing 100 q.ans
TRANSCRIPT
ENGINEERING DRAWING
SPECIAL FEATURES
Unit Wise Questions Examination Question of Last 08 years
08 Ques. X 30 Drawing Sheets = 240 Question
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Maximum Numerical
Practice
Printed Important
Notes
Starts from Basics
E.D.
320
Question
ENGINEERING DRAWING
UNIT TOPICS NO. OF QUES.
I1. Scales: - Plain, Diagonal, Comparative, Chord.
2. Conic Section:- Ellipse, Parabola, Hyperbola.
3. Special Curves:- Cycloid, Epicycloid, Hypocycloid, Involutes, Spiral.
II1. Projection: - Orthographic, 1st & 3rd Angel
Projection.
2. Points: - 1st , 2nd , 3rd & 4th Angel Projection.
3. Lines:- True length & inclinations of straight lines.
III1. Projection of Planes: - Projection of Circle, triangle
and polygons, polyhedrons, pyramids, cylinder, cone and sphere.
2. Projection of Solids: - Projection of Circle, triangle and polygons, polyhedrons, pyramids, cylinder, cone and sphere.
IV1. Section of Solids:- Section of right solids by normal
and inclined planes.
2. Intersection: - Cylinders, Cone.
3. Development of Surfaces: - All Solids.
4. Isometric Projections: - Isometric scale, Isometric axes, Isometric Projection from Orthographic Drawing.
V1. Introduction to Computer Aided Drafting
(CAD):- Basic Commands of drafting entities like line, circle, polygon, polyhedron, and cylinders.
2. Transformation & editing Commands: -Move, Rotate, Mirror, Array, Scale etc.
INDEX
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ENGINEERING DRAWING
UNIT- I
1.1.1 QUESTION FOR PLAIN SCALES
1. Construct a scale of 1.4 to show centimeters and long enough to measure up to 5 decimeters.
2. Construct a scale of 1.5 to show centimeters and to read up to 1 meter show the length of 7.6 dm on it.
3. Construct a scale of 1.5cm = 1dm to read up 1 m and show on it a length of 0.6 meter.
4. Construct a scale of RF = 1/84480 to show miles and furlong enough to measure up to 6 miles.(1mile=8 furlong)
5. Construct a scale of 1 1/2inches =1 foot to show and long enough to measure up to 4 feet.
6. A room of 1728 m3 volume is show by a cube of 216 cm3 volumes. Find R.F and construct a plane scale to measure up to 42m. Mark distance of 22 m on the scale.
7. Construct a scale of 1 cm to read meters and show decimeters and long enough to measure up to 14meters. Show on this a distance equal to 12.4m.
8. A container of 1000m3 Volume represented by a block of 125 cm3 volume .find R.F. and construct a scale to measure up to 30 m.
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ENGINEERING DRAWING
1.1.2. QUESTION FOR DIAGONAL SCALES
1. Construct a diagonal scale of R.F.+1/32 showing yard, feet and inches and to measure to 4 yards?
2. Construct a scale of full size showing 1/100 inches and to measure up to 5 inches?
3. The area of the field is 50,000 m2. The length and the width of the field on the map is 10 cm and 8cm respectively. Construct a diagonal scale, which can read up to 1 m. Mark the length of 235m on the scale. What is the R.F. Of the scale?
4. On the map the distance between two points is 14cm. the real distance between them is 20 km. Draw a diagonal scale of this map to read kilometer and hectometer, TO measure up to 25km, show a distance of 7.6 km on this scale?
5. An area of 144 cm2 on a map represents an area of 36 km2 on the field. Find the R.F. of the scale to show kilometers, hectometers and decameters. Indicate on the scale the distance of 7km, 5 hectometer and 6 decameter?
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ENGINEERING DRAWING
1.1.3. QUESTION FOR COMPARATIVE SCALES
1. The distance between bombay and puna is 180 km. th epassenger car cover this distance in 6 hrs. construct a plain scale to measure and compare time and distance. The scale should measure time upto a single minute the RF of the scale =1/20,0000. Indicate the distance cover by the train in 34 minute?
2. A car is travelling at 60 km/hr construct a suitable scale to measure and compare time and distance travelled in 10 hrs. The scale must show minimum interval of one minute. Show time required to travel a distance of 245 km of the scale. Also represent the distance travelled in 6 hrs. and 54 minute. The distance travelled by car in 2 hrs. can be represented by 4 cm. long line?
3. The trin cover the distance 130 km in 2.5 hrs. Construce a plane scale to measure the time up to single minute the R.F. of the scale += 1/2,60,000. Find the distance covered by the train in 45 minute.
4. On a Russian map a scale of versts is shown on measuring it with a metric scale, 150 versts are found to measure 15 cm. Construct comparitive scale for the two units to measure up to 200 versts and 200 km? (1 versts = 1.067 km).
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ENGINEERING DRAWING
1.1.4. QUESTION FOR SCALE OF CHORDS.
1. Draw angle of 300 and 800 by means of the scale of chords?
2. Construct angle of 350 and 1250 by means of the scale of chords?
3. Measure the given angle PQR by means of the scale of the chords?
4. Draw a triangle having sides 8cm, 9cm and 10cm long respectively and measure its angle with the aid of scale of chords?
5. Construct a scale of chords showing 50 division and with it aid set off angles of 250 , 450 , 550 and 1300?
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ENGINEERING DRAWING
1.2.1. QUESTION FOR ELLIPSE
1. The major axis and minor axis for an ellipse are 110 and 60 mm. Construct the ellipse by “ CONCENTRIC CIRCLE” method?
2. To construct an ellipse when the distance of the focus from the directricx is equal to 50 mm and eccentricity is 2/3?
3. Draw the locus of a point moving in such a way so that the ratio of the distance of moving point from the distance from a fixed line remains constant and equals to 2/3. The distance of fixed line is equal to 50mm.
4. The major axis of an elliose is 150 mm long and the minor axis is 100 mm long. Find the foci and the draw an ellipse by “ ARC OF CIRCLE” method. Draw a curveparallel to the ellipse & 25mm away from it.
5. The foci of an ellipse are 90 mm apart and the minor axis is 65mm long. Determine the length of the the major axis and draw the ellipse by “ CONCENTRIC CIRCLE” method. Draw acurve parallel to the ellipse and 25 ,, away from it.
6. The major axis and minor axis for an ellipse are 110 and 60 mm. Construct the ellipse by “ OBLONG ” method?
7. Two fixed points A and B are 100 mm apart. Trace the complete path of a point P moving in such a way that the sum of the distances from A and B is always same and equal to 125 mm. Draw the curve by “ OBLONG ” method?
8. Two points A and B are 100 mm apart , a point C is 75 mm from A and 60 mm from B. Draw an ellipse passing through A, B and C?
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ENGINEERING DRAWING
1.2.2. QUESTION FOR PARABOLA
1. Construct a parabola having heigh 55 mm & Base 60 mm by rectangle method?
2. Draw a parabola having height 25 mm and Base 60 mm by tangent method?
3. Construct a parabola, when the distance of the focus from directrix is 50 mm?
4. A fixed point is 75 mm from a straight line. Draw the locus of apoint P moving such a way that its distence from fixedstraight line is equal to its distance from the fixed point. Name the curve generated.? (Curve is parabola)
5. Draw athe locus of apoint which is equidistant from the given point and a line which is 8 cm away from the given fixed point. Name the curve?
6. The distance between the fixed line and the fixed point is 50 mm. draw the locus of a point moving in such away that theratio of distance from a fixed line to the distance from fixed point is remains constant & equal to 1. Draw a tangent at any point on the curve?
7. A Ball is thrown up in the air reaches a maximum height of 45 meter and travels a horizontal distance of 75 meter. Trace the path of ball assuming it to be parabolic? (By 1. half of rectangle method and 2. Tangent or Parallelogram method)
8. A stone is thrown from a building of 07 meter height and at its highest flight of point the stone just crosses a palm tree 14 meter high. Trace the path of the stone if the distance between the bulding and tree is 3.5 meter. Take suitable scale?
9. A fountain jet discharges water from a ground level at an inclination of 450 with the ground. Jet travels a horizontal distance of 8 meters from the point of discharge and falls on the ground. Trace the pathe of jet and name the curve. Use of scale 1/100? (Tangent or Parallelogram method)
10. Draw a parabola having height 110 mm and Base 100 mm by tangent method?
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1.2.3. QUESTION FOR HYPERBOLA
1. Construct a hyperbola when the distance of the focus from directrix is 65 mm and e=3/2?
2. A point P is 30 mm and 50 mm respectively from two straight lines which are at right angle to each other. Draw arectangular hyperbola from P with 10 mm distance from each line?
3. Draw a hyperbola when the distance of the focus from the directrix is 50 mm and e=3/2. Draw a tangent & normal at the point on the curve 75 mm from the directrix?
4. Construct the hyperbola when the distance of foci is 60 mm vertex is 40 mm. draw its asymptotes?
5. Two straight line OA & OB makes an angle of 750 between THEM. A point P is 40 mm from OA is 50 mm from OB. Draw a hyperbola through P with OA & OB as asymtotes?
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1.3.1. QUESTION FOR SPECIAL CURVES
1. A circle of 50 mm diameter rolls along a straght linewithout slipping. Draw the curve traced out by a point P.(Cycloid)
2. Construct a circle of 50 mm diameter rolls on another circle of 175 mm diameter on the outside. Construct the curve traced out by a point on the rolling circle. Also draw a set of tangent and normal on a suitable point on the curve. (Epicycloids , θ = 3600 X r/R )
3. Draw a hypocycloid. Rolling circle 50 mm diameter and directing circle 175 mm diameter. Draw atangent to it a point 50 mm from the centere of the directing circle. θ=3600 X r/R.
4. Construct the curve generated by a point on the circumference of a circle of radius 35 mm, which rolls inside another circle of 70 mm radius for one revolution. Name the curve. Draw normal & tangent at any point on it.( Hypocycloid, θ = 3600 X r/R )
5. Draw the epicycloids if ggenerating circle diameter is 50 mm and directing circle diameter is 100 mm.
6. Draw an involutes of a circle of 40 mm diameter. Also draw a normal and tangent to it at a point 100 mm from the centre of the circle.
7. Trace the path of the ends of a straight line AP, 100 mm long, when it rolls without sleeping on a semicircle having its diameter AB, 75 mm long. Assume the line AP to be tabgent to the semicircle in the starting point.
8. Draw a path of the end of string when the string is wound on a circle of 40 mm siameter without slipping. The length of the string is 150 mm long. Name the curve and write practical application.
9. Draw an arch median spiral of two convolutions the greatest and least radius being 115 mm respectively. Draw a tangent and normal to the spiral at a point 65 mm from the pole.
10. A line rolls over a square of 30 mm side without slipping, draw the curve traced out by a point on the line. Name the curve. (Involute)
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UNIT- II
2.2.1 QUESTION FOR PROJECTION: - POINTS
1. A point is 30 mm above the H.P. and 40 mm in front of V.P. draw its projections.
2. A point is 30 mm above the H.P. and 40 mm in behind of V.P. draw its projections.
3. A point is 30 mm below the H.P. and 40 mm in front of V.P. draw its projections.
4. A point is 30 mm below the H.P. and 40 mm in behind of V.P. draw its projections.
5. A point 40 mm behind the V.P. then top view lies above xy line.
6. When a point is in the H.P. then front view lies in the xy line.
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2.3.1QUESTION FOR PROJECTION OF LINES
1. A line AB 50 mm long is parallel to both the planes. Point A is 20 mm above the H.P. and 30 mm infront of V.P. Draw its pojections.
2. Draw projection of the line AB parallel to H.P. & inclind and 450 to the V.P. Point A of the line is 30 mm above the H.P. and 20 mm Infront of the V.P. and true length of the line is 60 mm.
3. Draw projection of the line AB parallel to V.P. & inclind and 300 to the H.P. True length of the line is 50 mm and point A is 20 mm from both the plane and in the first quadrant.
4. The top view of a 75 mm long line measure 55 mm. The line is in the V.P. its one end being 25 mm above the H.P. Draw its Projections.
5. A line AB, 75 mm long, is inclind at 450 to the H.P. and 300 to the V.P. its end B is in the H.P. and 40 mm in front of the V.P. draw its projection and determine its traces.
6. A line AB, 90 mm long is inclind at 300 to the H.P. its end A is 12mm above H.P. and 20 mm infront of the V.P. its view measures 65mm. Draw the top view of AB and determine its inclination with the V.P. locate the V.T. and H.T. of the line also.
7. A line AB, 50 mm long, has its end A in both the H.P. & V.P. it is inclined at 300 to H.P. and at 450 to the V.P. Draw its projections.
8. A line is length of 5.5 cm point A of the line is 3 cm above HP and 3 cm in front of VP the line is inclined at an angle of 300 to HP and 450 to VP point B is at higher level and for away from VP draw from view and top view of the line.
9. A line AB = 5.5 cm is given, point A of the line is 3 cm above HP and 3 cm infront of VP the line is inclined at 300 to HP and 600 to VP point B is at higher level and near the VP show projections.
10. A line of AB is length of 5.5 cm . A point of the line is 3 cm above HP and 3 cm in front of VP the line is inclined at 300 to HP and 600 to VP point B is at higher level and for away from VP draw projections.
11. Top view of a 75 mm long line AB measures 65 mm. While the long live F.V. = 50 mm. It’s one end A is in the HP and 12 mm in front of VP. Draw the projection of AB and determines its inclination with HP And VP.
12. A regular hexagonal lamina side 20 mm rests on H.P. On one of its sides such that it is perpendicular to the H.P. and inclined to V.P. at 30. Draw its projections when the corner nearest to the V.P. is 15mm away from it.
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13 A circular plate of 50mm dia is held such that its plane is perpendicular to H.P. and inclined at 30 to V.P. with its centre 30mm above the H.P. and 20 mm front of V.P. Draw its projection.
Pro.3 The elevation of a rectangular lamina ABCD of 25 x 50 mm sides is a square of 25mm side. When it side AB is in V.P. and the side AD is making an angle of 20 to the H.P. Draw the projection.
Pro. 4 A rectangular thin plate of side 60mm x 30mm is resting on its shorter side on H.P. and inclined at 30 to V.P. its surface is inclined at 60 to H.P. Draw its projections.
Pro. 5 A circular plate of negligible thickness and 50 mm diameter appears as an ellipse in the front view having its major axis 50mm long and miner axis 30mm long. Draw its top view when the major axis of the ellipse is horizontal.
Pro.6 Draw the projection of a circle of 50mm diameter resting in the H.P. on a point A on the circumference. Its plane inclined at 45 to the H.P. and (a) The top view of the diameter AB making 30 angle with the V.P. (b) The diameter making 10 angle with the V.P.
Pro.7 Draw the projections of a rhombus having diagonals 100 mm and 40mm long .The bigger diagonal is inclined at 30 to H.P. with one of the end point in H.P. and the smaller diagonal is parallel to both planes.
Pro. 8 Draw the projection of a circle of 50mm diameter resting in H.P. on a point `A` on its circumference its plane inclined at 45 to H.P. and top view of the diameter AB making 30 angle with the V.P.
Pro.9 A triangular prism, side base 30mm and axis 55mm long. Lies on its rectangular faces in H.P. with its axis parallel to the V.P. Draw the three views of the prism.
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Pro.10 A tetrahedron of 75mm long edges has one edge parallel to the H.P. and inclined at 45 to the V.P. while a face containing that edge is vertical. Draw its projections.
Pro.11 A square pyramid of base 50mm side and 80 mm high is held in such a way that one of its edges connecting one of the corner of the base and the apex is perpendicular to the ground and parallel to V.P. Draw the projections.
Pro.12 A regular pentagonal pyramid with the sides of its base 30mm and height 80mm rests on an edge of the base. The base is tilled unit its apex is 50mm above the level of the edge of the base on which its rests. Draw the edge on which it rests is parallel to the V.P. and apex of pyramid points towards V.P.
Pro.13 A regular pentagonal prism lies with its axis inclined at 60 to the H.P and 30 to the V.P. The prism is 60 mm long and has a face with of 25mm. the nearest corner is 10 mm away from the V.P. and the farthest shorter edge is 100 mm from the H.P. Draw the projections of the solid .
Pro.14 A hexagonal pyramid base 25mm side and axis 55mm long, has one of its slant edges on the ground. A plane containing that edge and the axis is perpendicular to the H.P. and inclined at 45 to the V.P. Draw its projections when the apex is nearer the V.P. than the base.
Pro.15 A pentagonal prism of base side 25mm and axis length 50mm is resting on H.P on one of its base corner with its axis inclined at 40 to H.P and parallel to V.P. Draw its projections when the base sides containing the resting corner are equally indined to H.P.
Pro.16 A right pentagonal prism 90 mm high with each side of the base 30mm in resting on one of the edges on the horizontal plane and inclined at 30 to V.P. and the face containing that edge is inclined at 45 to H.P. Draw the projection of the pentagonal prism.
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ENGINEERING DRAWING
UNIT – IV
ISOMETRIC PROJECTION
Pro.1 What is the difference between isometric projection and isometric drawing?
Pro.2 A cube of 65 mm long edges has its vertical faces equally inclined to the V.P It is cut by a section plane, perpendicular to the V.P so that the true shape of the section is a regular hexagon. Determine the top view and true shape of the section.
Pro.3 A hexagonal prism of base 20mm long and height 60mm is resting on one of its corner on the ground with the base making 60 with the ground. The axis is parallel to V.P A section plane parallel to H.P. and perpendicular to V.P. cut the object such that it is 15mm from the base as measured along the axis. Draw the sectional view from above and view from the front.
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ENGINEERING DRAWING
UNIT- V
1.1.1 QUESTION FOR AUTOCAD
1. What do you mean by CAD? Give the reasons for implementing a CAD systems?.
2. What do you understand by ICG in CAD system?
3. Write the basic commands of drafting for preparation of any drawing. Explain the flowing terms – Line, Circle, polygon, polyhedron and cylinder.
4. Explain the varies commands used for transformation of an object: -
1. Move. 2. Copy. 3. Rotate. 4. Mirror 5. Scale.
5. What is a use of solid command?
6. Give a block diagram of hardware of CAD system. Write its varies units.
7. Write the application & advantages of CAD?
8. What are the main limitations of CAD system?
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