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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
Euler's equation is applicable for

Axial compressor
Centrifugal compressor
Pumps
All of these

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Compressors, Gas Turbines and Jet Engines
Adiabatic compression is one in which

Temperature during compression remains constant
Temperature rise follows a linear relationship
Work done is maximum
No heat leaves or enters the compressor cylinder during compression

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Compressors, Gas Turbines and Jet Engines
Aeroplanes employ following type of compressor

Radial flow
Centrifugal
Axial flow
None of these

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Compressors, Gas Turbines and Jet Engines
The power available for takeoff and climb in case of turbojet engine as compared to reciprocating engine is

Less
Same
More
May be less or more depending on ambient conditions

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

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

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Compressors, Gas Turbines and Jet Engines
The volumetric efficiency for reciprocating air compressors is about

40 to 60%
70 to 90%
10 to 40%
60 to 70%

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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