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Compressors, Gas Turbines and Jet Engines

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

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

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Compressors, Gas Turbines and Jet Engines
The power available for takeoff and climb in case of turbojet engine as compared to reciprocating engine is

Same
More
May be less or more depending on ambient conditions
Less

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Compressors, Gas Turbines and Jet Engines
Which of the following fuels can be used in turbojet engines?

Liquid hydrogen
High speed diesel oil
Kerosene
Methyl alcohol

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Compressors, Gas Turbines and Jet Engines
1 m of air at atmospheric condition weighs approximately

0.5 kg
1.0 kg
2.2 kg
1.3 kg

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Compressors, Gas Turbines and Jet Engines
Gas turbine cycle with regenerator

Increases thermal efficiency
Allows high compression ratio
Allows operation at very high altitudes
Decreases heat loss is exhaust

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Compressors, Gas Turbines and Jet Engines
Fighter bombers use following type of engine

Rocket
Ramjet
Turbo-propeller
Turbojet

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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