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

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

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Compressors, Gas Turbines and Jet Engines
The degree of reaction in an axial flow compressor is defined as the ratio of static enthalpy rise in the

Rotor to static enthalpy rise in the stator
Stator to static enthalpy rise in the rotor
Stator to static enthalpy rise in the stage
Rotor to static enthalpy rise in the stage

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