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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
Reduced volume flow rate
Increased volume flow rate
Lower delivery pressure

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Compressors, Gas Turbines and Jet Engines
The capacity of compressor will be highest when its intake temperature is

Highest
Lowest
Atmospheric
Anything

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Compressors, Gas Turbines and Jet Engines
An after-cooler is used to

Reduce volume of air
Remove impurities from air
Cool the air
Cause moisture and oil vapour to drop out

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Compressors, Gas Turbines and Jet Engines
In jet engines, for the efficient production of large power, fuel is burnt in an atmosphere of

Compressed air
Atmospheric air
Oxygen alone
Vacuum

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Compressors, Gas Turbines and Jet Engines
In multistage compressor, the isothermal compression is achieved by

By running compressor at very slow speed
By constantly cooling the cylinder
Employing inter-cooler
By insulating the cylinder

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Compressors, Gas Turbines and Jet Engines
The efficiency of jet engine is

Higher at high altitudes
Lower at low speed
Higher at high speed
Same at all altitudes

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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