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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
The volumetric efficiency of compressor with increase in compression ratio will

Increase
May increase or decrease depending on clearance volume
Decrease
Remain same

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

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

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Compressors, Gas Turbines and Jet Engines
The pressure of air at the beginning of the compression stroke is ___ the atmospheric pressure.

More than
None of the listed here
Less than
Equal to

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Compressors, Gas Turbines and Jet Engines
The advantage of multistage compression over single stage compression is

Higher volumetric efficiency
Decreased discharge temperature
All of these
Lower power consumption per unit of air delivered

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Compressors, Gas Turbines and Jet Engines
A compressor at high altitude will draw

Same power
Less power
More/less power depending on other factors
More power

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Compressors, Gas Turbines and Jet Engines
In a high pressure compressor, the delivery pressure is

1 to 5 bar
5 to 8 bar
8 to 10 bar
10 to 15 bar

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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