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Compressors, Gas Turbines and Jet Engines

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

Isentropic efficiency
Compressor efficiency
Pressure coefficient
Euler

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Compressors, Gas Turbines and Jet Engines
Maximum work is done in compressing air when the compression is

None of these
Isothermal
Adiabatic
Polytropic

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Compressors, Gas Turbines and Jet Engines
The thermodynamic efficiency of rotary compressor is based on

Isentropic compression
Isothermal compression
Adiabatic compression
Polytropic compression

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Compressors, Gas Turbines and Jet Engines
The ratio of the indicated power to the shaft power or brake power of the motor or engine required to drive the compressor, is called

Volumetric efficiency
Mechanical efficiency
Compressor efficiency
Isothermal efficiency

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Compressors, Gas Turbines and Jet Engines
Euler's equation can be used for

Radial flow compressors
All of these
Pumps
Axial flow compressors

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Compressors, Gas Turbines and Jet Engines
In a jet propulsion unit, the products of combustion after passing through the gas turbine are discharged into

Vacuum
Atmosphere
Discharge nozzle
Back to the compressor

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