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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
All of the listed here
Inter cooling
Reheating

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Compressors, Gas Turbines and Jet Engines
Gas turbines use following type of air compressor

Lobe type
Axial flow type
Reciprocating type
Centrifugal type

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Compressors, Gas Turbines and Jet Engines
In a centrifugal compressor, an increase in speed at a given pressure ratio causes

Increase in flow and decrease in efficiency
Decrease in flow
Increase in flow
Increase in efficiency

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Compressors, Gas Turbines and Jet Engines
Open cycle gas turbine works on

Carnot cycle
Rankine cycle
Ericsson cycle
Brayton or Atkinson cycle

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Compressors, Gas Turbines and Jet Engines
The gas in cooling chamber of a closed cycle gas turbine is cooled at

Constant volume
None of the listed here
Constant pressure
Constant temperature

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Compressors, Gas Turbines and Jet Engines
Work ratio of a gas turbine plant is ratio of

Work done by turbine and net work output
Work done by turbine and heat supplied
Net work output and heat supplied
Net work output and work done by turbine

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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