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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
In a centrifugal compressor, the flow of air is ________ to the axis of compressor.

Inclined
None of these
Perpendicular
Parallel

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Compressors, Gas Turbines and Jet Engines
A jet engine works on the principle of conservation of

Flow
Energy
Mass
Linear momentum

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

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

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

Turbojet engine
Propellers
Ramjet engine
Rockets

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Compressors, Gas Turbines and Jet Engines
The volumetric efficiency of a compressor falls roughly as follows for every 5°C increase in atmospheric temperature

0.005
0.01
0.05
0.001

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Compressors, Gas Turbines and Jet Engines
The compression ratio in a gas turbine is of the order of

0.20902777777778
0.50069444444444
3.5 : 1
0.33402777777778

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