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Engineering Thermodynamics

Engineering Thermodynamics
General gas equation is

PV=KiRT
PV = C
PV=mRT
PV=nRT

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Engineering Thermodynamics
The variables which control the physical properties of a perfect gas are

Pressure exerted by the gas
Volume occupied by the gas
Temperature of the gas
All of these

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Engineering Thermodynamics
When cut-off ratio is ________; the efficiency of Diesel cycle approaches to Otto cycle efficiency

43835
43834
2
Zero

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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
Anywhere between zero and infinity
-ve
Zero

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Engineering Thermodynamics
When a gas is heated at constant pressure

Its temperature will increase
Its volume will increase
Both temperature and volume will increase
Neither temperature not volume will increase

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Engineering Thermodynamics
The entropy of water at 0°C is assumed to be

-1
1
2

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MORE MCQ ON Engineering Thermodynamics

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