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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
The compressor performance at higher altitude compared to sea level will be

Dependent on other factors
Lower
Same
Higher

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Compressors, Gas Turbines and Jet Engines
The ratio of the indicated power to the shaft power or brake power of the motor or engine required to drive the compressor, is called

Volumetric efficiency
Mechanical efficiency
Isothermal efficiency
Compressor efficiency

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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
Isothermal compression though most efficient, but is not practicable because

It is impossible in practice
Compressor has to run at very slow speed to achieve it
It does not increase pressure much
It requires very big cylinder

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Compressors, Gas Turbines and Jet Engines
To avoid moisture troubles, the branch connections from compressed air lines should be taken from

Right side of main
Bottom side of main
Left side of main
Top side of main

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Compressors, Gas Turbines and Jet Engines
In a reciprocating air compressor, the compression work per kg of air

Increases as clearance volume increases
Increases as clearance volume decreases
Is independent of clearance volume
Decreases as clearance volume increases

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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