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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
Less than
More than

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

Back to the compressor
Discharge nozzle
Vacuum
Atmosphere

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Compressors, Gas Turbines and Jet Engines
In gas turbines, high thermal efficiency is obtained in

Open cycle
Closed cycle
Closed/open depending on other considerations
Closed cycle & Open cycle

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Compressors, Gas Turbines and Jet Engines
Cylinder clearance in a compressor should be

About 100% of swept volume
As small as possible
About 50% of swept volume
As large as possible

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Compressors, Gas Turbines and Jet Engines
Pick up the wrong statement about advantages of multistage compression

Mechanical balance is better
Better lubrication is possible advantages of multistage
Air can be cooled perfectly in between
More loss of air due to leakage past the cylinder

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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?

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

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