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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
A jet engine has

Propeller on the top
Propeller at back
Propeller in front
No propeller

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

Increase power output
Reduce turbine size
Increase speed
Increase temperature

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Compressors, Gas Turbines and Jet Engines
As the turbine inlet temperature increases, the thermal efficiency of gas turbine for the optimum pressure ratio

Remain same
First increases and then decreases
Increases
Decreases

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Compressors, Gas Turbines and Jet Engines
When the temperature of air leaving the inter-cooler, in a two stage compression with inter-cooler, is ________ the original atmospheric air temperature, then the intercooling is known as perfect or complete intercooling.

None of these
More than
Equal to
Less than

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Compressors, Gas Turbines and Jet Engines
A rocket engine uses __________ for the combustion of its fuel.

Surrounding air
Compressed atmospheric air
None of these
Its own oxygen

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Compressors, Gas Turbines and Jet Engines
In a centrifugal compressor, the ratio of the ________ to the blade velocity is called slip factor.

Outlet velocity of flow
Inlet velocity of flow
Inlet whirl velocity
Outlet whirl velocity

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