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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
The weight per horse power ratio for gas in Turbine as compared to I.C. engine and steam turbine is

Same
Higher
Lower
None of these

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Compressors, Gas Turbines and Jet Engines
In a centrifugal compressor, an increase in speed at a given pressure ratio causes

Decrease in flow
Increase in flow and decrease in efficiency
Increase in flow
Increase in efficiency

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Compressors, Gas Turbines and Jet Engines
Euler's equation can be used for

Pumps
All of these
Axial flow compressors
Radial flow compressors

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

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

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Compressors, Gas Turbines and Jet Engines
The net work input required for compressor with increase in clearance volume

Decreases
Increases
Remains same
Increases/decreases depending on compressor capacity

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Compressors, Gas Turbines and Jet Engines
Maximum delivery pressure is a rotary air compressor is of the order of

16 kg/cm²
6 kg/cm²
10 kg/cm²
25 kg/cm²

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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