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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
The volume of air delivered by the compressor is called

None of the listed here
Swept volume
Compressor capacity
Free air delivery

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Compressors, Gas Turbines and Jet Engines
A closed gas turbine in which fuel is burnt directly in the air is not possible because of

Increasing gas temperature
High friction losses
Paucity of O2
High specific volume

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Compressors, Gas Turbines and Jet Engines
The pressure and temperature conditions of air at the suction of compressor are

Pressure slightly less than atmospheric and temperature slightly more than atmospheric
Slightly more than atmospheric
Atmospheric
Slightly less than atmospheric

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Compressors, Gas Turbines and Jet Engines
Reheating in a multistage expansion gas turbine ________ compressor work.

Increases
Has no effect on
None of these
Decreases

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Compressors, Gas Turbines and Jet Engines
The maximum compression ratio in an actual single stage axial flow compressor is of the order of

0.00070833333333333
0.043055555555556
0.048611111111111
0.045138888888889

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

Polytropic reaction
Pressure coefficient
Slip factor
Work coefficient

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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