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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
The combustion efficiency of a gas turbine using perfect combustion chamber is of the order of

0.85
0.9
0.75
0.99

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Compressors, Gas Turbines and Jet Engines
If the flow of air through the compressor is perpendicular to its axis, then it is a

Axial flow compressor
Centrifugal compressor
Turbo compressor
Reciprocating compressor

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Compressors, Gas Turbines and Jet Engines
Which is false statement about air receivers?

These are used to dampen pulsations
These act as reservoir to take care of sudden demands
These increase compressor efficiency
These knock out some oil and moisture

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Compressors, Gas Turbines and Jet Engines
Mechanical efficiency of gas turbines as compared to I.C engines is

Same
None of these
Higher
Lower

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Compressors, Gas Turbines and Jet Engines
Rotary compressors are suitable for

Large discharge at low pressure
Large discharge at high pressure
Low discharge at high pressure
Low discharge at low pressure

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Compressors, Gas Turbines and Jet Engines
Ramjet engine

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

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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