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Compressors, Gas Turbines and Jet Engines

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

0.83402777777778
2.5006944444444
0.62569444444444
0.41736111111111

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Compressors, Gas Turbines and Jet Engines
Standard air is the air at ___ and relative humidity of 36 percent.

1 bar and 40°C
0.1 bar and 40°C
0.1 bar and 20°C
1 bar and 20°C

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Compressors, Gas Turbines and Jet Engines
For speed above 3000 km/hour, it is more advantageous to use

Ramjet engine
Propellers
Turbojet engine
Rockets

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Compressors, Gas Turbines and Jet Engines
The pressure and temperature conditions of air at the suction of compressor are

Pressure slightly less than atmospheric and temperature slightly more than atmospheric
Atmospheric
Slightly more than atmospheric
Slightly less than atmospheric

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Compressors, Gas Turbines and Jet Engines
Diffuser in a compressor is used to

Convert pressure energy into kinetic energy
Convert kinetic energy into pressure energy
Increase velocity
Make the flow streamline

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Compressors, Gas Turbines and Jet Engines
If the flow of air through the compressor is parallel to its axis, then the compressor is

Centrifugal compressor
Turbo compressor
Axial flow compressor
Reciprocating compressor

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