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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
The air is delivered ________ in one revolution in case of a three lobbed rotor.

Two times
Three times
Four times
Six times

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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.

More than
Less than
None of these
Equal to

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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 power output
Increase speed

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Compressors, Gas Turbines and Jet Engines
In jet propulsion power unit, the inlet duct of diverging shape is used in order to

Beautify the shape
Collect more air
Provide robust structure
Convert kinetic energy of air into pressure energy

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Compressors, Gas Turbines and Jet Engines
Rotary compressors are suitable for

Low discharge at high pressure
Low discharge at low pressure
Large discharge at high pressure
Large discharge at low pressure

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Compressors, Gas Turbines and Jet Engines
Temperature of gases at end of compression as compared to exhaust gases in a gas turbine is

Equal
Can't be compared
Higher
Lower

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