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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
A jet engine works on the principle of conservation of

Linear momentum
Mass
Flow
Energy

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

Radial component
Tangential component
None of these
Axial component

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Compressors, Gas Turbines and Jet Engines
In the aircraft propellers

Its functioning does not depend on presence of air
Propulsive matter is ejected from within the propelled body
The propulsive matter is caused to flow around the propelled body
All of these

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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
Back to the compressor
Discharge nozzle

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

Slip factor
Work coefficient
Polytropic reaction
Pressure coefficient

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

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

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