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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
The working fluid in a turbine is

In the form of air and water mixture
In a single phase
In three phases
In two phases

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Compressors, Gas Turbines and Jet Engines
Ratio of indicated h.p. to shaft h.p. in known as

Compressor efficiency
Volumetric efficiency
Mechanical efficiency
Isothermal efficiency

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Compressors, Gas Turbines and Jet Engines
Efficiency of gas turbine is increased by

Adding a regenerator
Inter cooling
Reheating
All of the listed here

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Compressors, Gas Turbines and Jet Engines
For minimum work required to compress and deliver a quantity of air by multistage compression

The intercooling should be perfect
The work-done in each stage should be same
The compression ratio in each stage should be same
All of the listed here

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

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

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Compressors, Gas Turbines and Jet Engines
Reheating in gas turbine results in

Both (A) and (B) above
Decrease of work ratio
Increase of work ratio
Decrease of thermal efficiency

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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