Compressors, Gas Turbines and Jet Engines
Stalling of blades in axial flow compressor is the phenomenon of

Unsteady periodic and reversed flow
Motion of air at sonic velocity
Air stream blocking the passage
Air stream not able to follow the blade contour

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Compressors, Gas Turbines and Jet Engines
In a jet propulsion

None of these
The propulsive matter is caused to flow around the propelled body
The propulsive matter is ejected from within the propelled body
Its functioning does not depend upon presence of air

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