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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
If the flow of air through the compressor is perpendicular to its axis, then it is a

Axial flow compressor
Centrifugal compressor
Turbo compressor
Reciprocating compressor

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Compressors, Gas Turbines and Jet Engines
In gas turbines, high thermal efficiency is obtained in

Open cycle
Closed/open depending on other considerations
Closed cycle
Closed cycle & Open cycle

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Compressors, Gas Turbines and Jet Engines
Pick up the wrong statement about advantages of multistage compression

Air can be cooled perfectly in between
Mechanical balance is better
Better lubrication is possible advantages of multistage
More loss of air due to leakage past the cylinder

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Compressors, Gas Turbines and Jet Engines
For supplying intermittent small quantity of air at high pressure, following compressor is best suited

Reciprocating
Centrifugal
Axial
Screw

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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

Volumetric efficiency
Isothermal efficiency
Compressor efficiency
Mechanical efficiency

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Compressors, Gas Turbines and Jet Engines
Propulsive efficiency is defined as ratio of

Thrust power and propulsive power
Propulsive power and fuel input
Thrust power and fuel energy
Engine output and propulsive power

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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