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Compressors, Gas Turbines and Jet Engines

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

Pumps
Axial flow compressors
Radial flow compressors
All of these

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Compressors, Gas Turbines and Jet Engines
The ratio of the increase in pressure in rotor blades to total increase in pressure in the stage is called

Degree of reaction
Slip factor
Pressure coefficient
Pressure ratio

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Compressors, Gas Turbines and Jet Engines
Isothermal compression efficiency, even when running at high speed, can be approached by using

Both (A) and (B) above
Multistage compression
Cold water spray
Fully insulating the cylinder

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

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

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Compressors, Gas Turbines and Jet Engines
In the aircraft propellers

Its functioning does not depend on presence of air
The propulsive matter is caused to flow around the propelled body
All of these
Propulsive matter is ejected from within the propelled body

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Compressors, Gas Turbines and Jet Engines
In a closed cycle gas turbine, the air is compressed

Polytropically
Isothermally
Isentropically
None of these

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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