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Engineering Thermodynamics

Engineering Thermodynamics
The entropy __________ in an irreversible cyclic process.

Decreases
Remains constant
Increases
None of these

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Engineering Thermodynamics
Superheated vapour behaves

As ordinary vapour
As steam
Exactly as gas
Approximately as a gas

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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

Enthalpy
External energy
Entropy
Internal energy

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Engineering Thermodynamics
If value of n is infinitely large in a polytropic process pVn = C, then the process is known as constant

Pressure
Volume
Enthalpy
Temperature

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Engineering Thermodynamics
The ratio of two specific heats of air is equal to

0.24
0.17
1.41
0.1

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Engineering Thermodynamics
The fuel mostly used in cement industry and in metallurgical processes is

Coke
Wood charcoal
Bituminous coke
Pulverized coal

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MORE MCQ ON Engineering Thermodynamics

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