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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
Volumetric efficiency of a compressor decreases with ________ in compression ratio.

Remain same
Increase
Decrease
Does not change

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Compressors, Gas Turbines and Jet Engines
Aeroplanes employ following type of compressor

Radial flow
Axial flow
None of these
Centrifugal

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Compressors, Gas Turbines and Jet Engines
The compressor capacity with decrease in suction temperature

May increase or decrease depending on compressor capacity
Remain unaffected
Increases
Decreases

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Compressors, Gas Turbines and Jet Engines
The thermal efficiency of a gas turbine as compared to a diesel plant is

Less
Same
More
Depends on other factors

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Compressors, Gas Turbines and Jet Engines
In an axial flow compressor, the ratio of pressure in the rotor blades to the pressure rise in the compressor in one stage is known as

Slip factor
Degree of reaction
Work factor
Pressure coefficient

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Compressors, Gas Turbines and Jet Engines
A machine used to raise the pressure of air is called

Air motor
Gas turbine
Compressor
I.C engine

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