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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
The most efficient method of compressing air is to compress it

Isochronically
Isothermally
Adiabatically
Isentropically

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

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

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Compressors, Gas Turbines and Jet Engines
Reheating in a gas turbine

Increases the turbine work
Increases the compressor work
Increases the thermal efficiency
Decreases the thermal efficiency

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

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

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

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

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

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

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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