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Compressors, Gas Turbines and Jet Engines

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

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

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Compressors, Gas Turbines and Jet Engines
The hottest point in a gas turbine is

at the base
at the tip
between ~ to i of the blade height
in the center

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Compressors, Gas Turbines and Jet Engines
Work ratio of a gas turbine may be improved by

Both (A) and (C) above
Increasing the compression work
Increasing the turbine work
Decreasing the compression work

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Compressors, Gas Turbines and Jet Engines
The ratio of isentropic work to Euler work is known as

Slip factor
Pressure coefficient
Polytropic reaction
Work coefficient

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Compressors, Gas Turbines and Jet Engines
Isothermal compression efficiency can be attained by running the compressor

At zero speed
At very slow speed
At average speed
At very high speed

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

Thrust power and fuel energy
Engine output and propulsive power
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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