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COMPRESSORS, GAS TURBINES AND JET ENGINES

Compressors, Gas Turbines and Jet Engines
The air power of the compressor is also known as

Frictional power
Indicated power
None of these
Brake power

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

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

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Compressors, Gas Turbines and Jet Engines
The ratio of the discharge pressure to the inlet pressure of air is called

Volumetric efficiency
Compression ratio
Expansion ratio
Compressor efficiency

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Compressors, Gas Turbines and Jet Engines
A machine used to raise the pressure of air is called

Air motor
Gas turbine
I.C engine
Compressor

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Compressors, Gas Turbines and Jet Engines
The efficiency of jet engine is

Lower at low speed
Higher at high altitudes
Higher at high speed
Same at all altitudes

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