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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
A large clearance volume in a reciprocating compressor results in

Reduced volume flow rate
Lower suction pressure
Increased volume flow rate
Lower delivery pressure

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Compressors, Gas Turbines and Jet Engines
If infinite number of heaters be used in a gas turbine, then expansion process in turbine approaches

Adiabatic
Isochoric
Isothermal
Isentropic

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Compressors, Gas Turbines and Jet Engines
The thrust on the rotor in a centrifugal compressor is produced by

Axial component
None of these
Radial component
Tangential component

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Compressors, Gas Turbines and Jet Engines
Losses in a centrifugal compressor are due to

Diffuser losses
Inlet losses
All of the listed here
Impeller channel losses

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Compressors, Gas Turbines and Jet Engines
The pressure ratio for an open cycle gas turbine compared to closed cycle gas turbine of same h.p. is

High
Same
Low/high depending on make and type
Low

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Compressors, Gas Turbines and Jet Engines
In a single acting reciprocating air compressor, without clearance, the compression of air may be

Polytropic
Isentropic
Isothermal
Any one of these

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