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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
In a single acting reciprocating compressor, the suction, compression and delivery of air takes place in ________ of the piston.

Four strokes
One stroke
Two strokes
Three strokes

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

Inter cooling
Reheating
All of the listed here
Adding a regenerator

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Compressors, Gas Turbines and Jet Engines
The output of a gas turbine is 300 KW and its efficiency is 20 percent, the heat supplied is

600 KW
150 KW
15 KW
6000 KW

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Compressors, Gas Turbines and Jet Engines
The type of rotary compressor used in aeroplanes, is of

Centrifugal type
Radial flow type
None of these
Axial flow type

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Compressors, Gas Turbines and Jet Engines
Volumetric efficiency of air compressors is of the order of

60 - 70%
40 - 50%
20 - 30%
70 - 90%

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Compressors, Gas Turbines and Jet Engines
Gas turbine cycle with regenerator

Decreases heat loss is exhaust
Allows operation at very high altitudes
Increases thermal efficiency
Allows high compression ratio

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