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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
Volumetric efficiency of air compressors is of the order of

40 - 50%
20 - 30%
60 - 70%
70 - 90%

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Compressors, Gas Turbines and Jet Engines
The ratio of work done per cycle to the swept volume in case of compressor is called

Mean effective pressure
Compressor efficiency
Compression ratio
Compression index

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

0.084027777777778
2.5423611111111
0.16736111111111
0.37569444444444

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Compressors, Gas Turbines and Jet Engines
Separators in compressor installations are located

After inter-cooler
Between after-cooler and air receiver
After receiver
Before inter-cooler

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Compressors, Gas Turbines and Jet Engines
Gas turbine cycle with regenerator

Decreases heat loss is exhaust
Increases thermal efficiency
Allows operation at very high altitudes
Allows high compression ratio

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Compressors, Gas Turbines and Jet Engines
Pick up the wrong statement about advantages of multistage compression

More loss of air due to leakage past the cylinder
Mechanical balance is better
Air can be cooled perfectly in between
Better lubrication is possible advantages of multistage

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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