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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
Euler's equation is applicable for

Pumps
All of these
Centrifugal compressor
Axial compressor

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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
Degree of reaction
Pressure coefficient
Slip factor

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Compressors, Gas Turbines and Jet Engines
Reheating in a gas turbine

Increases the turbine work
Decreases the thermal efficiency
Increases the compressor work
Increases the thermal efficiency

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Compressors, Gas Turbines and Jet Engines
The work ratio of a gas turbine plant is defined as the ratio of

Net work output and isentropic heat drop
Net work output and heat supplied
Actual heat drop and isentropic heat drop
Net work output and work done by turbine

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Compressors, Gas Turbines and Jet Engines
Work ratio of a gas turbine may be improved by

Decreasing the compression work
Increasing the turbine work
Increasing the compression work
Both (A) and (C) above

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Compressors, Gas Turbines and Jet Engines
The following property is most important for material used for gas turbine blade

Fatigue
Corrosion resistance
Creep
Toughness

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