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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
Losses in a centrifugal compressor are due to

Inlet losses
Impeller channel losses
Diffuser losses
All of the listed here

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Compressors, Gas Turbines and Jet Engines
A jet engine works on the principle of conservation of

Energy
Flow
Linear momentum
Mass

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Compressors, Gas Turbines and Jet Engines
Out of the following, from where you will prefer to take intake for air compressor

From outside atmosphere at 1°C
From a side where cooling tower is located nearby
From an air conditioned room maintained at 20°C
From coal yard side

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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
A large clearance volume in a reciprocating compressor results in

Increased volume flow rate
Lower delivery pressure
Reduced volume flow rate
Lower suction pressure

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Compressors, Gas Turbines and Jet Engines
Volumetric efficiency is

The ratio of stroke volume to clearance volume
The ratio of the air actually delivered to the amount of piston displacement
Reciprocal of compression ratio
Index of compressor performance

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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