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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
If the flow of air through the compressor is perpendicular to its axis, then it is a

Centrifugal compressor
Turbo compressor
Reciprocating compressor
Axial flow compressor

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Compressors, Gas Turbines and Jet Engines
As the turbine inlet temperature increases, the thermal efficiency of gas turbine for the optimum pressure ratio

First increases and then decreases
Remain same
Decreases
Increases

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Compressors, Gas Turbines and Jet Engines
The maximum compression ratio in an actual single stage axial flow compressor is of the order of

0.045138888888889
0.00070833333333333
0.043055555555556
0.048611111111111

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Compressors, Gas Turbines and Jet Engines
The output of a gas turbine is 300 KW and its efficiency is 20 percent, the heat supplied is

600 KW
15 KW
6000 KW
150 KW

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Compressors, Gas Turbines and Jet Engines
In a closed cycle gas turbine, the air is compressed

None of these
Polytropically
Isentropically
Isothermally

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Compressors, Gas Turbines and Jet Engines
The ratio of isentropic work to Euler’s work is known as

Isentropic efficiency
Compressor efficiency
Euler
Pressure coefficient

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