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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
An air compressor may be controlled by

Any one of the above
Blow off control
Throttle control
Clearance control

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Compressors, Gas Turbines and Jet Engines
Free air is the air at

0°C and standard atmospheric conditions
20°C and 1 kg/cm² and relative humidity of 36%
15°C and 1 kg/cm²
Atmospheric conditions at any specific location

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

p₂/p₁ = p₃/p₂ = p₄/p₃
p₁ p₃ = p₂ p₄
p₁ p₂ = p₃ p₄
p₃/p₁ = p₄/p₂

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Compressors, Gas Turbines and Jet Engines
Axial flow compressor resembles

Reciprocating pump
Sliding vane compressor
Centrifugal pump
Turbine

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Compressors, Gas Turbines and Jet Engines
The output of a gas turbine is 300 KW and its efficiency is 20 percent, the heat supplied is

15 KW
150 KW
600 KW
6000 KW

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Compressors, Gas Turbines and Jet Engines
In air breathing jet engine, the jet is formed by expanding

Liquid
Plasma
Highly heated atmospheric air
Solids

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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