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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
A jet engine works on the principle of conservation of

Mass
Flow
Energy
Linear momentum

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Compressors, Gas Turbines and Jet Engines
A rocket works with maximum overall efficiency when air craft velocity is equal to the

Half the jet velocity
Average of the jet velocity
Jet velocity
Twice the jet velocity

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Compressors, Gas Turbines and Jet Engines
In a centrifugal compressor, the flow of air is ________ to the axis of compressor.

Perpendicular
None of these
Inclined
Parallel

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Compressors, Gas Turbines and Jet Engines
The volume of air sucked by the compressor during its suction stroke is called

Swept volume
None of these
Free air delivery
Compressor capacity

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Compressors, Gas Turbines and Jet Engines
Losses in a centrifugal compressor are due to

Diffuser losses
Impeller channel losses
Inlet losses
All of the listed here

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Compressors, Gas Turbines and Jet Engines
To avoid moisture troubles, the compressed air main line should

Rise gradually towards the point of use
Be laid vertically
Be laid exactly horizontally
Drop gradually towards the point of use

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