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COMPRESSORS, GAS TURBINES AND JET ENGINES

Compressors, Gas Turbines and Jet Engines
More than one stage will be preferred for reciprocating compressor if the delivery pressure is more than

10 kg/cm²
6 kg/cm²
14.7 kg/cm²
2 kg/cm²

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Compressors, Gas Turbines and Jet Engines
Which is false statement about multistage compression?

It is best suited for compression ratios around 7:1
Volumetric efficiency is high
Power consumption per unit of air delivered is low
The moisture in air is condensed in the inter-cooler

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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

Axial flow compressor
Turbo compressor
Centrifugal compressor
Reciprocating compressor

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Compressors, Gas Turbines and Jet Engines
A rocket engine uses __________ for the combustion of its fuel.

Its own oxygen
Compressed atmospheric air
None of these
Surrounding air

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Compressors, Gas Turbines and Jet Engines
Mechanical efficiency of gas turbines as compared to I.C engines is

None of these
Higher
Lower
Same

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