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Engineering Thermodynamics

Engineering Thermodynamics
A molecule consisting of one atom is known as

Mono-atomic
Poly-atomic
Tri-atomic
Di-atomic

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Engineering Thermodynamics
When the gas is cooled at constant pressure,

Both temperature and volume increases
Both temperature and volume decreases
Its volume increases but temperature decreases
Its temperature increases but volume decreases

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Engineering Thermodynamics
The value of cp/cv for air is

1
1.4
2.3
1.45

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Engineering Thermodynamics
If a gas is heated against a pressure, keeping the volume constant, then work done will be equal to

+ve
Zero
-ve
Anywhere between zero and infinity

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Engineering Thermodynamics
The efficiency of Ericsson cycle is __________ Carnot cycle.

Equal to
Greater than
Less than
None of these

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Engineering Thermodynamics
For reversible adiabatic process, change in entropy is

Maximum
Negative
Minimum
Zero

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MORE MCQ ON Engineering Thermodynamics

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