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Compressors, Gas Turbines and Jet Engines

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

Centrifugal compressor
Axial compressor
Pumps
All of these

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

Turbo compressor
Centrifugal compressor
Reciprocating compressor
Axial flow compressor

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Compressors, Gas Turbines and Jet Engines
Gas turbines use following type of air compressor

Lobe type
Axial flow type
Centrifugal type
Reciprocating type

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

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

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Compressors, Gas Turbines and Jet Engines
The air entry velocity m a rocket as compared to aircraft is

Less
Zero
Same
More

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

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

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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