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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
The thrust on the rotor in a centrifugal compressor is produced by

None of these
Axial component
Tangential component
Radial component

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Compressors, Gas Turbines and Jet Engines
The area of actual indicator diagram on an air compressor as compared to area of ideal indicator diagram is

Same
More
Less
More/less depending on compressor capacity

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Compressors, Gas Turbines and Jet Engines
Atmospheric pressure is 1.03 kg/cm and vapour pressure is 0.03 kg/cm. The air pressure will be

1.00 kg/cm²
1.06 kg/cm²
0.53 kg/cm²
1.03 kg/cm²

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Compressors, Gas Turbines and Jet Engines
Euler's equation is applicable for

Pumps
All of these
Axial compressor
Centrifugal compressor

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Compressors, Gas Turbines and Jet Engines
High air-fuel ratio is used in gas turbines

To save fuel
To reduce the exit temperature
To increase the output
To increase the efficiency

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Compressors, Gas Turbines and Jet Engines
The degree of reaction of an axial flow turbine is the ratio of isentropic temperature drop in a blade row to the

Adiabatic temperature drop in the stage
Total temperature drop
Total temperature drop in the stage
Total adiabatic temperature drop

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