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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
The inlet pressure is always ___ the discharge pressure.

None of the listed here
Equal to
More than
Less than

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Compressors, Gas Turbines and Jet Engines
The thermal efficiency of a simple gas turbine for a given turbine inlet temperature with increase in pressure ratio

Increases
Decreases
First decreases and then increases
First increases and then decreases

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Compressors, Gas Turbines and Jet Engines
The ratio of the volume of free air delivery per stroke to the swept volume of the piston, is known as

Isothermal efficiency
Compressor efficiency
Mechanical efficiency
Volumetric efficiency

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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?

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

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Compressors, Gas Turbines and Jet Engines
In air breathing jet engine, the jet is formed by expanding

Liquid
Solids
Highly heated atmospheric air
Plasma

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Compressors, Gas Turbines and Jet Engines
Axial flow compressor resembles

Turbine
Reciprocating pump
Sliding vane compressor
Centrifugal pump

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