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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
The ratio of the volume of free air delivery per stroke to the swept volume of the piston, is known as

Mechanical efficiency
Compressor efficiency
Volumetric efficiency
Isothermal efficiency

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Compressors, Gas Turbines and Jet Engines
The type of rotary compressor used in gas turbines, is of

None of the listed here
Radial flow type
Axial flow type
Centrifugal type

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Compressors, Gas Turbines and Jet Engines
An air compressor may be controlled by

Throttle control
Any one of the above
Blow off control
Clearance control

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Compressors, Gas Turbines and Jet Engines
The advantage of multistage compression over single stage compression is

Lower power consumption per unit of air delivered
All of these
Higher volumetric efficiency
Decreased discharge temperature

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Compressors, Gas Turbines and Jet Engines
In an axial flow compressor, the ratio of pressure in the rotor blades to the pressure rise in the compressor in one stage is known as

Slip factor
Pressure coefficient
Work factor
Degree of reaction

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Compressors, Gas Turbines and Jet Engines
The compressed air may be used

In gas turbine plants
In starting and supercharging of I.C. engines
For operating pneumatic drills
All of the listed here

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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