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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
A rotary compressor is driven by an

Electric motor
Engine
None of these
Either (A) or (B)

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Compressors, Gas Turbines and Jet Engines
For a two stage compressor, if index of compression for higher stage is greater than index of compression for lower stage, then the optimum pressure as compared to ideal case will

Remain unaffected
Increase
Other factors control it
Decrease

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Compressors, Gas Turbines and Jet Engines
A 3 m³/min compressor means that it

Delivers 3 m³/ min of compressed air at delivery pressure
Compresses 3 m³/min of standard air
Compresses 3 m³/ min of free air
Delivers 3 m³/ min of compressed air

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Compressors, Gas Turbines and Jet Engines
In multistage compressor, the isothermal compression is achieved by

By constantly cooling the cylinder
By running compressor at very slow speed
Employing inter-cooler
By insulating the cylinder

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Compressors, Gas Turbines and Jet Engines
Euler's equation can be used for

All of these
Pumps
Axial flow compressors
Radial flow compressors

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Compressors, Gas Turbines and Jet Engines
In an axial flow compressor, the ratio of pressure in the rotor blades to the pressure rise in the compressor in one stage is known as

Degree of reaction
Work factor
Pressure coefficient
Slip factor

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