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Engineering Thermodynamics

Engineering Thermodynamics
Work done is zero for the following process

Throttling
All of the listed here
Free expansion
Constant volume

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Engineering Thermodynamics
The gas turbine cycle with regenerator improves

None of these
Thermal efficiency
Work ratio
Avoid pollution

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Engineering Thermodynamics
The expansion ratio (r) is the ratio of (where v1 = Volume at the beginning of expansion, and v2 = Volume at the end of expansion)

v2/v1
(v1 + v2)/v2
(v1 + v2)/v1
v1/v2

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Engineering Thermodynamics
The value of gas constant (R) in S. I. units is

28.7 J/kgK
0.287 J/kgK
2.87 J/kgK
287 J/kgK

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Engineering Thermodynamics
The unit of energy is S. I. units is

Joule/meter (J/m)
Joule (J)
Joule meter (Jm)
Watt (W)

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

1
2
-1

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MORE MCQ ON Engineering Thermodynamics

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