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Compressors, Gas Turbines and Jet Engines

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

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

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Compressors, Gas Turbines and Jet Engines
Pressure ratio in gas turbines is the ratio of

Compressor pressure ratio
Pressures across the turbine
Inlet pressure to exhaust pressure
Highest pressure to exhaust pressure

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Compressors, Gas Turbines and Jet Engines
The compressor performance at higher altitude compared to sea level will be

Lower
Dependent on other factors
Same
Higher

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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
Convert kinetic energy of air into pressure energy
Provide robust structure

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Compressors, Gas Turbines and Jet Engines
The capacity of compressor will be highest when its intake temperature is

Anything
Highest
Lowest
Atmospheric

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Compressors, Gas Turbines and Jet Engines
The material commonly used for air craft gas turbine is

Timken, Haste alloys
Duralumin
Stainless steel
High alloy steel

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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