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Compressors, Gas Turbines and Jet Engines

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
Backward curved
Radial

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Compressors, Gas Turbines and Jet Engines
The compression ratio for the compressor is always _________ unity.

More than
Equal to
None of these
Less than

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Compressors, Gas Turbines and Jet Engines
The ratio of outlet whirl velocity to blade velocity in case of centrifugal compressor is called

None of these
Velocity factor
Slip factor
Velocity coefficient

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Compressors, Gas Turbines and Jet Engines
The criterion of the thermodynamic efficiency for rotary compressor is

None of the listed here
Isentropic compression
Polytropic compression
Isothermal compression

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

Gas turbine
I.C engine
Air motor
Compressor

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Compressors, Gas Turbines and Jet Engines
Separators are generally used in air compressor installations

Between the after-cooler and receiver
After the inter-cooler
Before first stage suction
Before the inter-cooler

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