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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
The pressure ratio for an open cycle gas turbine compared to closed cycle gas turbine of same h.p. is

High
Low
Low/high depending on make and type
Same

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

Inclined
Perpendicular
Parallel
None of these

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

Energy
Flow
Linear momentum
Mass

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Compressors, Gas Turbines and Jet Engines
Only rocket engines can be propelled to space because

They have high propulsion efficiency
These engines can work on several fuels
They are not air breathing engines
They can generate very high thrust

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Compressors, Gas Turbines and Jet Engines
In which case the air-fuel ratio is likely to be maximum?

Gas turbine
4-stroke petrol engine
4-stroke diesel engine
Multi cylinder engine

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Compressors, Gas Turbines and Jet Engines
Rotary compressors are suitable for

Large discharge at low pressure
Low discharge at low pressure
Low discharge at high pressure
Large discharge at high pressure

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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