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Engineering Thermodynamics

Engineering Thermodynamics
In an irreversible process, there is a

No gain of heat
Gain of heat
Loss of heat
No loss of heat

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Engineering Thermodynamics
Which of the following is the lightest and most volatile liquid fuel?

Kerosene
Gasoline
None of these
Fuel oil

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Engineering Thermodynamics
The efficiency of a Carnot engine depends on

Temperatures of source and sink
Working substance
Size of engine
Design of engine

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Engineering Thermodynamics
Kinetic energy of the molecules in terms of absolute temperature (T) is proportional to

Vr
J²
T
J

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Engineering Thermodynamics
In S. I. units, the value of the universal gas constant is

8.314 J/kg mole-K
831.4 J/kg mole-K
83.14 J/kg mole-K
8314 J/kg mole-K

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Engineering Thermodynamics
Compressed air coming out from a punctured football

Becomes hotter
Remains at the same temperature
May become hotter or cooler depending upon the humidity of the surrounding air
Becomes cooler

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MORE MCQ ON Engineering Thermodynamics

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