In axial flow compressors, the phenomenon of stalling of blades occurs – McqOptions

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1.	In axial flow compressors, the phenomenon of stalling of blades occurs when
A.	Air stream is not able to follow the blade contour
B.	Blades vibrate violently
C.	Air stream flows with sonic velocity
D.	Air stream blocks the passage
E.	Blades fail due to creep
Answer» B. Blades vibrate violently

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