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Compressors, Gas Turbines and Jet Engines

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?

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

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

Isothermal efficiency
Volumetric efficiency
Compressor efficiency
Mechanical efficiency

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Compressors, Gas Turbines and Jet Engines
If the flow of air through the compressor is parallel to its axis, then the compressor is

Axial flow compressor
Centrifugal compressor
Reciprocating compressor
Turbo compressor

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Compressors, Gas Turbines and Jet Engines
A 3 m³/min compressor means that it

Compresses 3 m³/min of standard air
Delivers 3 m³/ min of compressed air
Compresses 3 m³/ min of free air
Delivers 3 m³/ min of compressed air at delivery pressure

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

Decrease of heat loss in exhaust
Maximum work output
Reduction in compressor work
High thermal efficiency

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Compressors, Gas Turbines and Jet Engines
In jet engines the products of combustion after passing through the gas turbine are discharged into

Vacuum
Atmosphere
Discharge nozzle
Back to the compressor

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