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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
The work done per unit mass of air in compression will be least when 'n' is equal to

1.4
1.2
1
1.3

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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
Volumetric efficiency is high
Power consumption per unit of air delivered is low
The moisture in air is condensed in the inter-cooler

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Compressors, Gas Turbines and Jet Engines
The velocity of air entering in a rocket is ___ as compared to an aircraft.

Less
More
Zero
Same

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Compressors, Gas Turbines and Jet Engines
A 3 m³/min compressor means that it

Delivers 3 m³/ min of compressed air
Compresses 3 m³/min of standard air
Compresses 3 m³/ min of free air
Delivers 3 m³/ min of compressed air at delivery pressure

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Compressors, Gas Turbines and Jet Engines
Euler's equation is applicable for

Centrifugal compressor
All of these
Pumps
Axial compressor

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Compressors, Gas Turbines and Jet Engines
A simple turbojet engine is basically

Gas turbine engine equipped with a propulsive nozzle and diffuse
Ramjet engine
Chemical rocket engine
A propeller system

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