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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
The capacity of compressor will be highest when its intake temperature is

Atmospheric
Anything
Highest
Lowest

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Compressors, Gas Turbines and Jet Engines
A machine used to raise the pressure of air is called

Gas turbine
Compressor
I.C engine
Air motor

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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
None of these
Lower
Higher

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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

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

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Compressors, Gas Turbines and Jet Engines
Volumetric efficiency of air compressors is of the order of

40 - 50%
60 - 70%
20 - 30%
70 - 90%

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Compressors, Gas Turbines and Jet Engines
Standard air is the air at ___ and relative humidity of 36 percent.

0.1 bar and 20°C
1 bar and 20°C
1 bar and 40°C
0.1 bar and 40°C

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