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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
The most efficient method of compressing air is to compress it

Adiabatically
Isochronically
Isothermally
Isentropically

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Compressors, Gas Turbines and Jet Engines
The closed cycle in gas turbines

Provides greater flexibility
Provides lesser flexibility
Is used when gas is to be burnt
In never used

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Compressors, Gas Turbines and Jet Engines
Ratio of indicated h.p. to shaft h.p. in known as

Compressor efficiency
Volumetric efficiency
Isothermal efficiency
Mechanical efficiency

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Compressors, Gas Turbines and Jet Engines
Euler's equation can be used for

Radial flow compressors
All of these
Axial flow compressors
Pumps

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Compressors, Gas Turbines and Jet Engines
The efficiency and work ratio of a gas turbine plant can be increased by

Injecting water in/around combustion chamber
Adding heat exchanger
Reheating the air after partial expansion in the turbine
All of these

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Compressors, Gas Turbines and Jet Engines
The capacity of a compressor is 5 m/min refers to

Compressed air
Compressed air at delivery pressure
Standard air
Free air

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