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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
The maximum delivery pressure in a rotary air compressor is

20 bar
50 bar
10 bar
30 bar

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

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

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Compressors, Gas Turbines and Jet Engines
The work ratio of simple gas turbine cycle depends on

Pressure ratio
Minimum cycle temperature
All of these
Maximum cycle temperature

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Compressors, Gas Turbines and Jet Engines
The maximum propulsion efficiency of a turbojet is attained at around following speed

550 km/hr
2400 km/hr
1700 km/hr
1050 km/hr

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Compressors, Gas Turbines and Jet Engines
With the decrease in compression ratio, the volumetric efficiency

First decrease and then increase
Increases
Decreases
Does not change

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Compressors, Gas Turbines and Jet Engines
Maximum work is done in compressing air when the compression is

Adiabatic
Isothermal
None of these
Polytropic

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