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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
In a jet engine, the air-fuel ratio is

1.2506944444444
1.6673611111111
2.0840277777778
2.5006944444444

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Compressors, Gas Turbines and Jet Engines
A large clearance volume in a reciprocating compressor results in

Reduced volume flow rate
Lower delivery pressure
Lower suction pressure
Increased volume flow rate

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Compressors, Gas Turbines and Jet Engines
Pick up wrong statement. Surging phenomenon in centrifugal compressor depends on

Pressure ratio
Stagnation pressure at the outlet
Mass flow rate
Change in load

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Compressors, Gas Turbines and Jet Engines
The ratio of the increase in pressure in rotor blades to total increase in pressure in the stage is called

Degree of reaction
Pressure ratio
Slip factor
Pressure coefficient

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Compressors, Gas Turbines and Jet Engines
The output of a gas turbine is 300 KW and its efficiency is 20 percent, the heat supplied is

6000 KW
600 KW
15 KW
150 KW

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Compressors, Gas Turbines and Jet Engines
Isothermal compression though most efficient, but is not practicable because

It is impossible in practice
Compressor has to run at very slow speed to achieve it
It does not increase pressure much
It requires very big cylinder

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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