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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

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

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Compressors, Gas Turbines and Jet Engines
Axial flow compressor resembles

Centrifugal pump
Reciprocating pump
Sliding vane compressor
Turbine

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Compressors, Gas Turbines and Jet Engines
Ramjet engine

Requires no air for its operation
Is self operating at zero flight speed
Is not self operating at zero flight speed
Produces a jet consisting of plasma

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

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

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Compressors, Gas Turbines and Jet Engines
In multistage compressor, the isothermal compression is achieved by

By insulating the cylinder
By running compressor at very slow speed
By constantly cooling the cylinder
Employing inter-cooler

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Compressors, Gas Turbines and Jet Engines
In a compressor, free air delivered is the actual volume delivered at the stated pressure reduced to

N.T.P. conditions
0°C and 1 kg/cm²
Intake temperature and pressure conditions
20°C and 1 kg/cm²

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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