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Engineering Thermodynamics

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

1.27
1.35
0.75
1

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Engineering Thermodynamics
If a gas vapour is allowed to expand through a very minute aperture, then such a process is known as

Free expansion
Hyperbolic expansion
Adiabatic expansion
Throttling

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Engineering Thermodynamics
Addition of heat at constant pressure to a gas results in

Raising its pressure
Raising its volume
Raising its temperature and doing external work
Raising its temperature

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Engineering Thermodynamics
The efficiency of Diesel cycle depends upon

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

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Engineering Thermodynamics
The efficiency and work ratio of a simple gas turbine cycle are

Very low
Very high
High
Low

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Engineering Thermodynamics
When a system changes its state from one equilibrium state to another equilibrium state, then the path of successive states through which the system has passed, is known as

Thermodynamic cycle
None of the listed here
Thermodynamic law
Thermodynamic process

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