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Compressors, Gas Turbines and Jet Engines

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

Anything
Lowest
Highest
Atmospheric

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Compressors, Gas Turbines and Jet Engines
The performance of air compressor at high altitudes will be ________ as compared to that at sea level.

Same
None of these
Higher
Lower

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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

Mechanical efficiency
Volumetric efficiency
Compressor efficiency
Isothermal efficiency

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Compressors, Gas Turbines and Jet Engines
The pressure ratio of an ideal vaned compressor with increase in mass flow rate

Increases
First decreases and then increases
Decreases
Remain constant

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Compressors, Gas Turbines and Jet Engines
A compressor mostly used for supercharging of I.C. engines is

Radial flow compressor
Reciprocating compressor
Axial flow compressor
Roots blower

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Compressors, Gas Turbines and Jet Engines
The maximum combustion pressure in gas turbine as compared to I.C. engine is

Less
Depends on other factors
Same
More

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