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GENERAL ENGINEERING & APPLIED SCIENCES
CHAPTER 1 - Chemistry GEAS GEAS
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!IV. ATOMIC NUMBER AND MASS NUMBER !./*(atomic number("0(#&(*1*2*&,(%3(,/*(&425*6("0(76","&3(,/#,(%3(8"&,#%&*$(%&(,/*(&481*43("0(*#8/("0(%,3(#,"239(!Mass number("6(atomic weight(%3(,/*(342("0(,/*(&425*6("0(76","&3(#&$(&*4,6"&3(%&(,/*(&481*43("0(,/*(#,"29(( Formula: Number of Neutrons Mass number Atomic Number (( V. QUANTUM NUMBERS :1*8,6"&3(;%,/%&(#,"23(#6*(8/#6#8,*6%<*$(5=(0"46(>4#&,42(&425*63?((( ./*(76%&8%7#1(>4#&,42(&425*6@(&@($*,*62%&*3(,/*(*&*6'=(3,#,*("0(#&(*1*8,6"&9(A,(8#&(/#B*(%&,*'*6(B#14*3("0(C@(D@(E@(47(,"(&9(
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119
CHAPTER 3 Engineering Mechanics
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CHAPTER 1 Chemistry
C.*/%0,12 %0( #( 31#&4.( "5( 04%*&4*( ,.#,( 5"460*0( "&( ,.*( 0,164,61*7(4"/8"0%,%"&7(#&$(81"8*1,%*0("5(/#,,*19((
MATTER Matter( (%0(#&2,.%&'(,.#,("4468%*0(08#4*(#&$(.#0(/#00(:%9*97(#&2,.%&'(,.#,(
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(I. THE THREE PHASES OF MATTER: ! Solid(@(%0(4"/8"0*$("5(8#1,%4=*0(,.#,(#1*(,%'.,=2(8#4A*$(#&$(.#B*( #( 1*'6=#1( #11#&'*/*&,9( <,( .#0( $*5%&%,*( 0.#8*( #&$(B"=6/*9(
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II. PHASE CHANGES Sublimation "5( #&( *=*/*&,( "1(
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Comprehensive Lectures
140
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CHAPTER 3 -MECHANICS GEAS GEAS
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GENERAL ENGINEERING & APPLIED SCIENCES GEAS GEAS CHAPTER 4!"!Thermodynamics!
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GAUGE PRESSURE Gauge pressure is the amount by which the absolute pressure exceeds atmospheric pressure.
gauge abs atmP P P Where:
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P absolute pressureP atmospheric pressure
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Beautiful Illustrations...
204
GEAS GENERAL ENGINEERING & APPLIED SCIENCES GEAS GEAS
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MATERIAL TESTING
HARDNESS TESTING !"#$%&&'(%)(
This hardness test is used primarily with iron and steel casting. In Brinell test a Brinell Hardness Number (BHN) is determine by pressing a hardened steel ball (10 mm in diameter) into the surface of a specimen with a force of 500 kg and 3000 kg for soft and hard materials, respectively.
2
2
contact s s S d
P P PBHN
A Dt D d D d
load , (kg)area in contactdiameter of the steel ball, (mm)depression diameter, (mm)depth, (mm)
b
d
Where PA
DDT
"*+,-%&&'(%)('
A Rockwell test is a penetration test in which a diamond cone is used for hard materials and a hardened steel ball (1/16 inches in diameter) for soft materials. The Rockwell hardness is determined from the depth of penetration and is read directly from a dial.
1 2R C C t
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Where RT
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21.854
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t
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228
GEAS GENERAL ENGINEERING & APPLIED SCIENCES GEAS GEAS
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Values of “n” and “i” for different modes of compounding:
Annually – (every 12 months)
m 1 ; i r ; n t Semi – annually - (every 6 months)
r
m 2 ; i ; n 2t2
Quarterly - (every 3 months)
r
m 4 ; i ; n 4t4
Bimonthly - (every 2 months)
r
m 6 ; i ; n 6t6
Semi-quarterly - (every 1.5 months) r
m 8 ; i ; n 8t8
Monthly - (every month)
r
m 12 ; i ; n 12t12
Semi - monthly - (every 0.5 month)
r
m 24 ; i ; n 24t24
Vast collections of important topics… Illustrations...
304
GEAS GENERAL ENGINEERING & APPLIED SCIENCES GEAS GEAS
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11. The following are requisites of Quasi-delicts except A. An act or omission B. Accompanied by fault or negligence C. There must be no pre-existing contractual relation between the parties. D. Acts or omissions punished by law 12. An obligation which is not subject to conditions or burdens nor does it
mention a specific date for its fulfilment and as such it is immediately demandable.
A. Pure obligation B. Conditional obligation C. Reciprocal obligation D. Alternative obligation
13. An uncertain event which wields an influence on a legal relation. A. Pure obligation B. Condition C. Reciprocal obligation D. Alternative obligation
14. An obligation which is a subject to a condition. A. Pure obligation B. Conditional obligation C. Reciprocal obligation D. Alternative obligation
15. A kind of condition which suspends the demandability of the obligation
until the fulfilment of the condition. A. Suspensive Condition B. Alternative obligation C. Reciprocal obligation D. Resolutory Condition
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239
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CHAPTER 7 Engineering Economics
TEST - 7 1. It is defined to be the capacity of a commodity to satisfy human want A. necessity B. utility C. luxuries D. discount 2. It is the stock that has prior right to dividends. It usually does not bring
voting right to the owners and the dividend is fixed and cannot be higher than the specified amount.
A. Common stock B. Voting stock C. Preferred stock D. Non par value stock 3. It is a amount which a willing buyer will pay to a willing seller for the
property where each has equal advantage and is under no compulsion to buy or sell.
A. Book value B. Market value C. Use value D. Fair value 4. _________ is the loss of value of the equipment with use over a period
of time. It could mean a difference in value between a new asset and the use asset currently in a service.
A. Loss B. Depreciation C. Extracted D. Gain
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