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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
It is not possible to use closed gas turbine cycle in aeronautical engines because

It requires cooling water for its operation
It is bulky
It is inefficient
None of these

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Compressors, Gas Turbines and Jet Engines
The fuel consumption in gas turbines is accounted for by

Heating value
Higher heating value
Higher calorific value
Lower heating value

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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

0.00070833333333333
0.045138888888889
0.043055555555556
0.048611111111111

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Compressors, Gas Turbines and Jet Engines
Mining industry usually employs following motive power

C. electric motor
Diesel engine
Compressed air
Petrol engine

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Compressors, Gas Turbines and Jet Engines
The axial flow compressor is preferred in aircraft gas turbines because of

Low frontal area
High pressure rise
Higher thrust
None of the listed here

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Compressors, Gas Turbines and Jet Engines
The degree of reaction is usually kept ________ for all types of axial flow compressors.

0.2
0.5
0.4
0.3

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