996Mechanical EngineeringMedium
Surging is the phenomenon of________?
Amotion of air at sonic velocity
Bunsteady, periodic and reversed flow
Cair stream not able to follow the blade contour
Dproduction of no air pressure
Eair stream blocking the passage
Correct answer
B. unsteady, periodic and reversed flow
Explanation
The correct answer is unsteady, periodic and reversed flow.