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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
Remain same
Decrease

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Compressors, Gas Turbines and Jet Engines
To avoid moisture troubles, the branch connections from compressed air lines should be taken from

Right side of main
Bottom side of main
Left side of main
Top side of main

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Compressors, Gas Turbines and Jet Engines
A jet engine has

Propeller on the top
Propeller at back
Propeller in front
No propeller

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Compressors, Gas Turbines and Jet Engines
Propulsion efficiency of the following order is obtained in practice

0.5
0.72
0.34
0.6

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

0.83402777777778
0.41736111111111
0.62569444444444
2.5006944444444

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Compressors, Gas Turbines and Jet Engines
The mass of gas turbine per kW developed is about ________ as that of an I.C. engine.

One-half
One fourth
One sixth
Same

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