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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
The maximum compression ratio in an actual single stage axial flow compressor is of the order of

0.048611111111111
0.043055555555556
0.00070833333333333
0.045138888888889

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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
None of these
Free air delivery
Compressor capacity

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

Isothermal
Polytropic
Adiabatic
None of these

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Compressors, Gas Turbines and Jet Engines
A turboprop is preferred to turbojet because

It has high propulsive efficiency at high speeds
It can fly at supersonic speeds
It can fly at high elevations
It has high power for take off

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Compressors, Gas Turbines and Jet Engines
When the outlet angle from the rotor of a centrifugal compressor is more than 90°, then the blades are said to be

None of the listed here
Backward curved
Radial
Forward curved

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Compressors, Gas Turbines and Jet Engines
In a compressor, free air delivered is the actual volume delivered at the stated pressure reduced to

0°C and 1 kg/cm²
Intake temperature and pressure conditions
20°C and 1 kg/cm²
N.T.P. conditions

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