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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

Mass
Flow
Energy
Linear momentum

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Compressors, Gas Turbines and Jet Engines
In a centrifugal compressor, the highest Mach number leading to shock wave in the fluid flow occurs at

Impeller outlet radius
Diffuser outlet radius
Impeller inlet radius
Diffuser inlet radius

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

Vacuum
Discharge nozzle
Back to the compressor
Atmosphere

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Compressors, Gas Turbines and Jet Engines
In a centrifugal compressor, the flow of air is ________ to the axis of compressor.

Perpendicular
Parallel
Inclined
None of these

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Compressors, Gas Turbines and Jet Engines
The efficiency of a jet engine is higher at

High altitudes
High speeds
Low speeds
Low altitudes

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Compressors, Gas Turbines and Jet Engines
In a reciprocating air compressor, the compression work per kg of air

Is independent of clearance volume
Decreases as clearance volume increases
Increases as clearance volume increases
Increases as clearance volume decreases

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