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Compressors, Gas Turbines and Jet Engines

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

Less than
Equal to
None of the listed here
More than

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Compressors, Gas Turbines and Jet Engines
Only rocket engines can be propelled to space because

They are not air breathing engines
They have high propulsion efficiency
These engines can work on several fuels
They can generate very high thrust

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Compressors, Gas Turbines and Jet Engines
The compressor capacity with decrease in suction temperature

Decreases
Increases
Remain unaffected
May increase or decrease depending on compressor capacity

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Compressors, Gas Turbines and Jet Engines
The ratio of the increase in pressure in rotor blades to total increase in pressure in the stage is called

Slip factor
Degree of reaction
Pressure ratio
Pressure coefficient

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Compressors, Gas Turbines and Jet Engines
Ramjet engine

Is not self operating at zero flight speed
Is self operating at zero flight speed
Requires no air for its operation
Produces a jet consisting of plasma

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Compressors, Gas Turbines and Jet Engines
To avoid moisture troubles, the branch connections from compressed air lines should be taken from

Bottom side of main
Top side of main
Left side of main
Right side of main

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