Agricultural Engineering > GATE 2018 > Pumps
Which one of the following is a WRONG statement?
A
The head generated by a centrifugal pump at zero discharge is the ‘shutoff head’.
B
To avoid cavitation in centrifugal pumps, the net positive suction head should be more than the theoretical atmospheric pressure.
C
According to the affinity laws of centrifugal pumps, the head varies with the square of the impeller speed.
D
Most of the turbine pumps have operational characteristics closer to those of the centrifugal pumps than the propeller pumps.

Correct : b

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