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Engineering Thermodynamics

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

1
0.21
0.17
0.24

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Engineering Thermodynamics
The heat absorbed or rejected by the working substance is given by (where ds = Increase or decrease of entropy, T = Absolute temperature, and dQ = Heat absorbed or rejected)

δQ = T.ds
None of the listed here
δQ = T/ds
dQ = ds/T

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Engineering Thermodynamics
The unit of universal gas constant is

None of these

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Engineering Thermodynamics
The property of a working substance which increases or decreases as the heat is supplied or removed in a reversible manner, is known as

Entropy
External energy
Internal energy
Enthalpy

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Engineering Thermodynamics
According to which law, all perfect gases change in volume by 1/273th of their original volume at 0°C for every 1°C change in temperature when pressure remains constant

Charles' law
Joule's law
Boyle's law
Gay Lussac’s law

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Engineering Thermodynamics
Which of the following parameters is constant for a mole for most of the gases at a given temperature and pressure

Volume
Mass
Entropy
Enthalpy

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MORE MCQ ON Engineering Thermodynamics

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