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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
A closed cycle gas turbine works on

Carnot cycle
Rankine cycle
Ericsson cycle
Joule cycle

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

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

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Compressors, Gas Turbines and Jet Engines
Which is false statement about multistage compression?

It is best suited for compression ratios around 7:1
Power consumption per unit of air delivered is low
The moisture in air is condensed in the inter-cooler
Volumetric efficiency is high

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Compressors, Gas Turbines and Jet Engines
Separators are generally used in air compressor installations

Before first stage suction
After the inter-cooler
Before the inter-cooler
Between the after-cooler and receiver

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

Cause moisture and oil vapour to drop out
Reduce volume of air
Cool the air
Remove impurities from air

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Compressors, Gas Turbines and Jet Engines
The volumetric efficiency for reciprocating air compressors is about

60 to 70%
40 to 60%
10 to 40%
70 to 90%

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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