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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
In turbo fan engine, the jet velocity as compared to turbojet engine is

Less
Same
More
May be less or more depending upon speed

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Compressors, Gas Turbines and Jet Engines
A rocket engine for the combustion of its fuel

Does not require oxygen
Uses compressed atmospheric air
Uses surrounding air
Carries its own oxygen

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Compressors, Gas Turbines and Jet Engines
Reciprocating air compressor is best suited for

Large quantity of air at low pressure
Small quantity of air at high pressure
Small quantity of air at low pressure
Large quantity of air at high pressure

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Compressors, Gas Turbines and Jet Engines
The most efficient method of compressing air is to compress it

Isochronically
Adiabatically
Isothermally
Isentropically

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Compressors, Gas Turbines and Jet Engines
The ratio of work-done per cycle to the stroke volume of the compressor is known as

Compressor capacity
Compressor efficiency
Mean effective pressure
Compression ratio

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Compressors, Gas Turbines and Jet Engines
When the outlet angle from the rotor of a centrifugal compressor is more than 90°, then the blades are said to be

None of the listed here
Forward curved
Radial
Backward curved

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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