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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
For perfect intercooling in a two stage compressor

p₁ = p3
p₂/p₁ = p₃/p₂
p₁/p₃ = p₂/p₁
p₁ = p₂ p3

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Compressors, Gas Turbines and Jet Engines
The degree of reaction is usually kept ________ for all types of axial flow compressors.

0.3
0.4
0.2
0.5

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Compressors, Gas Turbines and Jet Engines
The compressed air may be used

In starting and supercharging of I.C. engines
All of the listed here
For operating pneumatic drills
In gas turbine plants

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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

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

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

Anything
Lowest
Highest
Atmospheric

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Compressors, Gas Turbines and Jet Engines
Propulsion efficiency of the following order is obtained in practice

0.5
0.72
0.6
0.34

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