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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
The criterion of the thermodynamic efficiency for rotary compressor is

Isothermal compression
None of the listed here
Polytropic compression
Isentropic compression

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Compressors, Gas Turbines and Jet Engines
Euler's equation is applicable for

Centrifugal compressor
All of these
Pumps
Axial compressor

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Compressors, Gas Turbines and Jet Engines
The ratio of the discharge pressure to the inlet pressure of air is called

Compression ratio
Expansion ratio
Volumetric efficiency
Compressor efficiency

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Compressors, Gas Turbines and Jet Engines
The combustion efficiency of a gas turbine using perfect combustion chamber is of the order of

0.99
0.9
0.75
0.85

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Compressors, Gas Turbines and Jet Engines
The work ratio of simple gas turbine cycle depends on

Pressure ratio
All of these
Minimum cycle temperature
Maximum cycle temperature

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Compressors, Gas Turbines and Jet Engines
When the temperature of air leaving the inter-cooler, in a two stage compression with inter-cooler, is ________ the original atmospheric air temperature, then the intercooling is known as perfect or complete intercooling.

Less than
None of these
More than
Equal to

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