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Engineering Thermodynamics

Engineering Thermodynamics
Specific heat of air at constant pressure is equal to

0.24
0.17
1
0.21

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Engineering Thermodynamics
The value of the product of molecular weight and the gas characteristic constant for all the gases in S.I. units is

735 J/kmol °K
83.14 J/kmol °K
848 J/kmol °K
29.27 J/kmol °K

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Engineering Thermodynamics
In a free expansion process

Work done is zero
Work done is zero but heat increases
Heat transfer is zero
Both (A) and (B) above

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Engineering Thermodynamics
Characteristic gas constant of a gas is equal to

Cv /Cp
Cp + Cv
Cp /Cv
Cp - Cv

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Engineering Thermodynamics
The first law of thermodynamics is the law of

Conservation of energy
Conservation of momentum
Conservation of mass
Conservation of heat

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Engineering Thermodynamics
The general law for the expansion or compression of gases, is

pv = m R T
pvn = C
pv = C
pvγ = C

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MORE MCQ ON Engineering Thermodynamics

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