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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
An air receiver is to be placed outside. Should it be placed in

Rain
Sun
Shade
Enclosed room

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Compressors, Gas Turbines and Jet Engines
For supplying intermittent small quantity of air at high pressure, following compressor is best suited

Centrifugal
Reciprocating
Axial
Screw

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Compressors, Gas Turbines and Jet Engines
In a centrifugal compressor, the ratio of the ________ to the blade velocity is called slip factor.

Inlet whirl velocity
Outlet velocity of flow
Inlet velocity of flow
Outlet whirl velocity

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

Parallel
None of these
Perpendicular
Inclined

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Compressors, Gas Turbines and Jet Engines
Compression efficiency is compared against

Ideal compression
Isentropic compression
Isothermal compression
Adiabatic compression

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Compressors, Gas Turbines and Jet Engines
It is not possible to use closed gas turbine cycle in aeronautical engines because

It is inefficient
It requires cooling water for its operation
None of these
It is bulky

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