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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
The air entry velocity m a rocket as compared to aircraft is

More
Zero
Same
Less

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Compressors, Gas Turbines and Jet Engines
The maximum compression ratio in an actual single stage axial flow compressor is of the order of

0.00070833333333333
0.048611111111111
0.043055555555556
0.045138888888889

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Compressors, Gas Turbines and Jet Engines
Standard air is the air at

15°C and 1 kg/cm²
0°C and standard atmospheric conditions
20°C and 1 kg/cm² and relative humidity 36%
Atmospheric conditions at any specific location

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

2.0840277777778
1.2506944444444
1.6673611111111
2.5006944444444

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Compressors, Gas Turbines and Jet Engines
In the aircraft propellers

Propulsive matter is ejected from within the propelled body
All of these
The propulsive matter is caused to flow around the propelled body
Its functioning does not depend on presence of air

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Compressors, Gas Turbines and Jet Engines
Ratio of indicated H.P. and brake H.P. is known as

Mechanical efficiency
Volumetric efficiency
Adiabatic efficiency
Isothermal efficiency

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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