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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
Volumetric efficiency of a compressor decreases with ________ in compression ratio.

Decrease
Remain same
Increase
Does not change

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Compressors, Gas Turbines and Jet Engines
Maximum temperature in a gas turbine is of the order of

1500°C
1000°C
2000°C
700°C

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Compressors, Gas Turbines and Jet Engines
Maximum work is done in compressing air when the compression is

None of these
Isothermal
Adiabatic
Polytropic

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Compressors, Gas Turbines and Jet Engines
The criterion of the thermodynamic efficiency for rotary compressor is

Isentropic compression
Polytropic compression
Isothermal compression
None of the listed here

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Compressors, Gas Turbines and Jet Engines
Which of the following plants is smallest and lightest for generating a given amount of power?

Solar plant
Diesel engine
Gas turbine plant
Petrol engine

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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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