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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.

Two strokes
One stroke
Three strokes
Four strokes

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Compressors, Gas Turbines and Jet Engines
The overall thermal efficiency of an ideal gas turbine plant is (where r = Pressure ratio)

1 - (1/r) ɣ/ɣ-1
r ɣ-1
1 - r ɣ-1
1 - (1/r) ɣ-1/ɣ

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Compressors, Gas Turbines and Jet Engines
What will be the volume of air at 327°C if its volume at 27°C is 1.5 m³/ mt?

6 m³/ mt.
1.5 m³/ mt.
18 m³/ mt.
3 m³/ mt.

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Compressors, Gas Turbines and Jet Engines
The capacity of a compressor is 5 m/min refers to

Free air
Standard air
Compressed air
Compressed air at delivery pressure

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Compressors, Gas Turbines and Jet Engines
The thermal efficiency of a gas turbine as compared to a diesel plant is

More
Same
Depends on other factors
Less

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