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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
The air entry velocity m a rocket as compared to aircraft is

Zero
More
Same
Less

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Compressors, Gas Turbines and Jet Engines
The velocity of air entering in a rocket is ___ as compared to an aircraft.

Zero
More
Same
Less

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Compressors, Gas Turbines and Jet Engines
After-cooler is used to

Cool the air
Reduce volume
Cause moisture and oil vapour to drop out
Decrease the delivery temperature for ease in handling

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Compressors, Gas Turbines and Jet Engines
The fuel consumption in gas turbines is accounted for by

Higher calorific value
Higher heating value
Lower heating value
Heating value

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Compressors, Gas Turbines and Jet Engines
The ratio of the indicated power to the shaft power or brake power of the motor or engine required to drive the compressor, is called

Volumetric efficiency
Mechanical efficiency
Compressor efficiency
Isothermal efficiency

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Compressors, Gas Turbines and Jet Engines
In jet engines the products of combustion after passing through the gas turbine are discharged into

Vacuum
Discharge nozzle
Back to the compressor
Atmosphere

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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