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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
Reheating in a multistage expansion gas turbine ________ compressor work.

Has no effect on
Increases
Decreases
None of these

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Compressors, Gas Turbines and Jet Engines
The ratio of the increase in pressure in rotor blades to total increase in pressure in the stage is called

Slip factor
Pressure coefficient
Degree of reaction
Pressure ratio

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Compressors, Gas Turbines and Jet Engines
During peak load periods, the best method of controlling compressors is

Constant speed unloader
Start-stop motor
Relief valve
Variable speed

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Compressors, Gas Turbines and Jet Engines
Axial flow compressor resembles

Reciprocating pump
Turbine
Centrifugal pump
Sliding vane compressor

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Compressors, Gas Turbines and Jet Engines
Stalling of blades in axial flow compressor is the phenomenon of

Unsteady periodic and reversed flow
Air stream blocking the passage
Air stream not able to follow the blade contour
Motion of air at sonic velocity

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Compressors, Gas Turbines and Jet Engines
The working fluid in a turbine is

In three phases
In the form of air and water mixture
In two phases
In a single phase

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