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Compressors, Gas Turbines and Jet Engines

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

Reciprocating compressor
Axial flow compressor
Turbo compressor
Centrifugal compressor

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Compressors, Gas Turbines and Jet Engines
To avoid moisture troubles, the compressed air main line should

Drop gradually towards the point of use
Be laid exactly horizontally
Rise gradually towards the point of use
Be laid vertically

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Compressors, Gas Turbines and Jet Engines
The working fluid in a turbine is

In two phases
In three phases
In a single phase
In the form of air and water mixture

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Compressors, Gas Turbines and Jet Engines
In a centrifugal compressor, an increase in speed at a given pressure ratio causes

Increase in flow and decrease in efficiency
Increase in efficiency
Increase in flow
Decrease in flow

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Compressors, Gas Turbines and Jet Engines
Propulsive efficiency is defined as ratio of

Engine output and propulsive power
Thrust power and fuel energy
Thrust power and propulsive power
Propulsive power and fuel input

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Compressors, Gas Turbines and Jet Engines
1 m of air at atmospheric condition weighs approximately

0.5 kg
2.2 kg
1.3 kg
1.0 kg

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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