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Engineering Thermodynamics

Engineering Thermodynamics
Minimum work in compressor is possible when the value of adiabatic index ‘n’ is equal to

0.75
1
1.27
1.35

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Engineering Thermodynamics
The ratio of specific heat at constant pressure (cp) and specific heat at constant volume (cv) is

None of these
Less than one
Greater than one
Equal to one

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Engineering Thermodynamics
For a thermodynamic process to be reversible, the temperature difference between hot body and working substance should be

Maximum
Zero
Infinity
Minimum

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Engineering Thermodynamics
Work done is zero for the following process

Free expansion
All of the listed here
Throttling
Constant volume

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Engineering Thermodynamics
The efficiency of Carnot cycle depends upon

Cut-off ratio and compression ratio
Volume compression ratio
Temperature limits
Pressure ratio

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Engineering Thermodynamics
The gas turbine cycle with regenerator improves

Thermal efficiency
Avoid pollution
Work ratio
None of these

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MORE MCQ ON Engineering Thermodynamics

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