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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
In an axial flow compressor, the ratio of pressure in the rotor blades to the pressure rise in the compressor in one stage is known as

Work factor
Pressure coefficient
Degree of reaction
Slip factor

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Compressors, Gas Turbines and Jet Engines
Turbofan engine employs

Two or more air streams
One air stream
Solid fuel firing
No air stream

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

Decreases
First decrease and then increase
Increases
Does not change

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Compressors, Gas Turbines and Jet Engines
In jet propulsion power unit, the inlet duct of diverging shape is used in order to

Provide robust structure
Convert kinetic energy of air into pressure energy
Collect more air
Beautify the shape

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Compressors, Gas Turbines and Jet Engines
Efficiency of gas turbine is increased by

All of the listed here
Reheating
Adding a regenerator
Inter cooling

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Compressors, Gas Turbines and Jet Engines
The ideal efficiency of simple gas turbine cycle depends on

Pressure ratio
Minimum cycle temperature
Maximum cycle temperature
All of these

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