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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
Maximum delivery pressure is a rotary air compressor is of the order of

10 kg/cm²
6 kg/cm²
16 kg/cm²
25 kg/cm²

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Compressors, Gas Turbines and Jet Engines
The weight per horse power ratio for gas in Turbine as compared to I.C. engine and steam turbine is

Same
Higher
Lower
None of these

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Compressors, Gas Turbines and Jet Engines
Pick up wrong statement. Surging phenomenon in centrifugal compressor depends on

Pressure ratio
Mass flow rate
Stagnation pressure at the outlet
Change in load

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Compressors, Gas Turbines and Jet Engines
The maximum delivery pressure in a rotary air compressor is

20 bar
50 bar
30 bar
10 bar

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Compressors, Gas Turbines and Jet Engines
The ratio of the discharge pressure to the inlet pressure of air is called

Compression ratio
Compressor efficiency
Volumetric efficiency
Expansion ratio

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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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