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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
Gas turbine works on

Carnot cycle
Ericsson cycle
Rankine cycle
Brayton or Atkinson cycle

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Compressors, Gas Turbines and Jet Engines
The minimum work required for a three stage reciprocating air compressor is ___ the work required for each stage.

Double
Three times
Six times
Equal to

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

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

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Compressors, Gas Turbines and Jet Engines
The compressor efficiency is the

Total output/air input
Isothermal H.P/indicated H.R
Isothermal H.P./shaft H.R
Compression work/motor input

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Compressors, Gas Turbines and Jet Engines
The ratio of isentropic work to Euler’s work is known as

Euler
Isentropic efficiency
Pressure coefficient
Compressor efficiency

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Compressors, Gas Turbines and Jet Engines
The most efficient method of compressing air is to compress it

Adiabatically
Isochronically
Isentropically
Isothermally

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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