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Compressors, Gas Turbines and Jet Engines

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 & Open cycle
Closed cycle

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

Euler
Isentropic efficiency
Pressure coefficient
Compressor efficiency

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Compressors, Gas Turbines and Jet Engines
In open cycle turbojet engines used in military aircraft, reheating the exhaust gas from the turbine by burning, more fuel is used to increase the

Thrust and range of aircraft
Efficiency of the engine
Both (A) and (B)
None of these

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Compressors, Gas Turbines and Jet Engines
In a centrifugal compressor, the flow of air is ________ to the axis of compressor.

None of these
Perpendicular
Parallel
Inclined

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Compressors, Gas Turbines and Jet Engines
The pressure ratio in gas turbines is of the order of

2.5423611111111
0.084027777777778
0.16736111111111
0.37569444444444

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Compressors, Gas Turbines and Jet Engines
The volume of air sucked by the compressor during its suction stroke is called

Swept volume
Free air delivery
None of these
Compressor capacity

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