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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
The efficiency of a jet engine is higher at

Low speeds
High altitudes
High speeds
Low altitudes

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Compressors, Gas Turbines and Jet Engines
Cylinder clearance in a compressor should be

About 50% of swept volume
About 100% of swept volume
As large as possible
As small as possible

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

Increase of work ratio
Both (A) and (B) above
Decrease of thermal efficiency
Decrease of work ratio

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

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

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

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

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Compressors, Gas Turbines and Jet Engines
Separators in compressor installations are located

Before inter-cooler
After receiver
After inter-cooler
Between after-cooler and air receiver

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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