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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

Constant speed unloader
Start-stop motor
Relief valve
Variable speed

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Compressors, Gas Turbines and Jet Engines
The pressure of air at the beginning of the compression stroke is ___ the atmospheric pressure.

Equal to
Less than
None of the listed here
More than

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Compressors, Gas Turbines and Jet Engines
The blades of gas turbine are made of

Stainless steel
Carbon steel
High nickel alloy
High alloy steel

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Compressors, Gas Turbines and Jet Engines
In a single acting reciprocating compressor, the suction, compression and delivery of air takes place in ________ of the piston.

Four strokes
Three strokes
One stroke
Two strokes

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Compressors, Gas Turbines and Jet Engines
In an axial flow compressor, the ratio of pressure in the rotor blades to the pressure rise in the compressor in one stage is known as

Degree of reaction
Work factor
Slip factor
Pressure coefficient

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

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

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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