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Engineering Thermodynamics

Engineering Thermodynamics
The heat and mechanical energies are mutually convertible. This statement was established by

Joule
None of these
Boyle
Charles

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Engineering Thermodynamics
The value of cp/cv for air is

1.45
1.4
2.3
1

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

1
2
-1

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Engineering Thermodynamics
Compressed air coming out from a punctured football

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

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Engineering Thermodynamics
A process of heating crude oil to a high temperature under a very high pressure to increase the yield of lighter distillates, is known as

Full distillation
Carbonization
Fractional distillation
Cracking

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Engineering Thermodynamics
Entropy change depends on

Change of temperature
Mass transfer
Heat transfer
Thermodynamic state

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MORE MCQ ON Engineering Thermodynamics

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