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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
Euler's equation can be used for

Pumps
All of these
Axial flow compressors
Radial flow compressors

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Compressors, Gas Turbines and Jet Engines
Air-fuel ratio in a jet engine will be of the order of

0.62569444444444
0.41736111111111
0.83402777777778
2.5006944444444

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Compressors, Gas Turbines and Jet Engines
Adiabatic compression is one in which

Temperature during compression remains constant
No heat leaves or enters the compressor cylinder during compression
Temperature rise follows a linear relationship
Work done is maximum

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Compressors, Gas Turbines and Jet Engines
Atmospheric pressure is 1.03 kg/cm and vapour pressure is 0.03 kg/cm. The air pressure will be

1.03 kg/cm²
0.53 kg/cm²
1.06 kg/cm²
1.00 kg/cm²

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

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

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Compressors, Gas Turbines and Jet Engines
A turboprop is preferred to turbojet because

It can fly at supersonic speeds
It can fly at high elevations
It has high power for take off
It has high propulsive efficiency at high speeds

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