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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
The ratio of the net work obtained from the gas turbine plant to the turbine work is known as

Pressure ratio
Compression ratio
None of these
Work ratio

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Compressors, Gas Turbines and Jet Engines
Inter cooling in compressors

Cools the delivered air
Results in saving of power in compressing a given volume to given pressure
Enables compression in two stages
Is the standard practice for big compressors

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Compressors, Gas Turbines and Jet Engines
In axial flow compressor, exit flow angle deviation from the blade angle is a function of

Blade camber
Blade camber and incidence angle
Blade camber and space-chord ratio
Space-chord ratio

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Compressors, Gas Turbines and Jet Engines
In which case the air-fuel ratio is likely to be maximum?

4-stroke diesel engine
Multi cylinder engine
4-stroke petrol engine
Gas turbine

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Compressors, Gas Turbines and Jet Engines
The air-fuel ratio in gas turbines is of the order of

7: 1
50: 1.
30: 1
15: 1

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Compressors, Gas Turbines and Jet Engines
The pressure ratio in gas turbines is of the order of

0.16736111111111
0.37569444444444
0.084027777777778
2.5423611111111

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