For attaining a non-overloading characteristic in centrifugal pumps:

1.	For attaining a non-overloading characteristic in centrifugal pumps:
A.	Backward bent vanes are preferred over forward bent vanes.
B.	Forward bent vanes are preferred over backward bent vanes.
C.	Forward bent vanes are preferred over vanes radial at outlet.
D.	Vanes radial at outlet are preferred over backward vanes.
Answer» B. Forward bent vanes are preferred over backward bent vanes.

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For attaining a non-overloading characteristic in centrifugal pumps:

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