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Compressors, Gas Turbines and Jet Engines

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

Mass
Linear momentum
Flow
Energy

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Compressors, Gas Turbines and Jet Engines
The maximum propulsion efficiency of a turbojet is attained at around following speed

2400 km/hr
550 km/hr
1700 km/hr
1050 km/hr

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Compressors, Gas Turbines and Jet Engines
Gas turbine as compared to internal combustion engine

Has more efficiency
All of the listed here
Produces uniform torque
Can be driven at a very high speed

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Compressors, Gas Turbines and Jet Engines
The working fluid in a turbine is

In two phases
In three phases
In the form of air and water mixture
In a single phase

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Compressors, Gas Turbines and Jet Engines
The maximum delivery pressure in a rotary air compressor is

10 bar
30 bar
20 bar
50 bar

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Compressors, Gas Turbines and Jet Engines
For a two stage compressor, if index of compression for higher stage is greater than index of compression for lower stage, then the optimum pressure as compared to ideal case will

Other factors control it
Remain unaffected
Decrease
Increase

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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