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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
A large clearance volume in a reciprocating compressor results in

Lower suction pressure
Increased volume flow rate
Reduced volume flow rate
Lower delivery pressure

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Compressors, Gas Turbines and Jet Engines
The pressure of air at the beginning of the compression stroke is ___ the atmospheric pressure.

Equal to
None of the listed here
Less than
More than

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Compressors, Gas Turbines and Jet Engines
The ratio of work-done per cycle to the stroke volume of the compressor is known as

Compressor efficiency
Compression ratio
Compressor capacity
Mean effective pressure

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

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

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

Lower heating value
Higher heating value
Higher calorific value
Heating value

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Compressors, Gas Turbines and Jet Engines
The work-done on a compressor will be minimum if air is taken from

The atmosphere
A source of low temperature air
A source of high temperature air
A source at 0° C

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