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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
During peak load periods, the best method of controlling compressors is

Relief valve
Start-stop motor
Variable speed
Constant speed unloader

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Compressors, Gas Turbines and Jet Engines
Turbofan engine employs

One air stream
Solid fuel firing
Two or more air streams
No air stream

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Compressors, Gas Turbines and Jet Engines
Losses in a centrifugal compressor are due to

Impeller channel losses
All of the listed here
Diffuser losses
Inlet losses

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Compressors, Gas Turbines and Jet Engines
Standard air is the air at

20°C and 1 kg/cm² and relative humidity 36%
0°C and standard atmospheric conditions
Atmospheric conditions at any specific location
15°C and 1 kg/cm²

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Compressors, Gas Turbines and Jet Engines
The main purpose of reheating in gas turbine is to

Increase temperature
Reduce turbine size
Increase speed
Increase power output

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Compressors, Gas Turbines and Jet Engines
The type of rotary compressor used in gas turbines, is of

None of the listed here
Centrifugal type
Axial flow type
Radial flow type

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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