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COMPRESSORS, GAS TURBINES AND JET ENGINES

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

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

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Compressors, Gas Turbines and Jet Engines
Gas turbine cycle with regenerator

Increases thermal efficiency
Allows high compression ratio
Decreases heat loss is exhaust
Allows operation at very high altitudes

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Compressors, Gas Turbines and Jet Engines
The ratio of the net work obtained from the gas turbine plant to the turbine work is known as

Compression ratio
Work ratio
None of these
Pressure ratio

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Compressors, Gas Turbines and Jet Engines
The ratio of isentropic work to Euler work is known as

Work coefficient
Slip factor
Pressure coefficient
Polytropic reaction

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Compressors, Gas Turbines and Jet Engines
The ratio of isentropic work to Euler’s work is known as

Pressure coefficient
Isentropic efficiency
Euler
Compressor efficiency

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