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Compressors, Gas Turbines and Jet Engines

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
Euler's equation can be used for

Axial flow compressors
Pumps
Radial flow compressors
All of these

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Compressors, Gas Turbines and Jet Engines
There is a certain pressure ratio (optimum) for a gas turbine at which its thermal efficiency is maximum. With increase in turbine temperature, the value of pressure ratio for the peak efficiency would

Remain same
Increase
None of these
Decrease

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Compressors, Gas Turbines and Jet Engines
Cylinder clearance in a compressor should be

As small as possible
About 100% of swept volume
As large as possible
About 50% of swept volume

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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

Decrease
Increase
Other factors control it
Remain unaffected

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Compressors, Gas Turbines and Jet Engines
Which of the following fuels can be used in turbojet engines?

High speed diesel oil
Kerosene
Methyl alcohol
Liquid hydrogen

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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