Surging is the phenomenon of Options: A . &nbspAir stream blocking the passage B . &nbspMotion of air at sonic velocity C . &nbspUnsteady, periodic and reversed flow D . &nbspAir stream not able to follow the blade contour

Surging is the phenomenon of

Question

Surging is the phenomenon of

Options:

A . Air stream blocking the passage

B . Motion of air at sonic velocity

C . Unsteady, periodic and reversed flow

D . Air stream not able to follow the blade contour

Answer: Option C

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