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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
The pressure ratio for an open cycle gas turbine compared to closed cycle gas turbine of same h.p. is

Low/high depending on make and type
Low
High
Same

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Compressors, Gas Turbines and Jet Engines
In gas turbines, high thermal efficiency is obtained in

Closed cycle & Open cycle
Closed cycle
Open cycle
Closed/open depending on other considerations

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Compressors, Gas Turbines and Jet Engines
Volumetric efficiency of a compressor decreases with ________ in compression ratio.

Decrease
Remain same
Does not change
Increase

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Compressors, Gas Turbines and Jet Engines
In a centrifugal compressor, the ratio of the ________ to the blade velocity is called slip factor.

Inlet velocity of flow
Outlet whirl velocity
Inlet whirl velocity
Outlet velocity of flow

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Compressors, Gas Turbines and Jet Engines
The ratio of work done per cycle to the swept volume in case of compressor is called

Compression index
Compression ratio
Mean effective pressure
Compressor efficiency

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Compressors, Gas Turbines and Jet Engines
The capacity of compressor will be highest when its intake temperature is

Highest
Atmospheric
Lowest
Anything

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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