What is the pressure called that is developed when the speed generated by the centrifugal force is slowed in the volute of the pump casing?
A) Liquid head
B) Deadhead pressure
C) Liquid pressure
D) Centrifugal force
Answer: A
Explanation: A) Correct. Liquid head that is developed when the speed generated by the centrifugal force is slowed in the volute of the pump casing.
B) Incorrect. The maximum liquid head occurs at zero flow, with the discharge valve shut; this is called the deadhead pressure.
C) Incorrect. Liquid head that is developed when the speed generated by the centrifugal force is slowed in the volute of the pump casing.
D) Incorrect. Centrifugal force is an apparent force exerted on the fluid by the impeller rotating in a circular pattern to move it outward from the center.
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