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for a simple reason because it has high discharge than any other available pump.

the centrifugal pump uses the centrifugal force to push out the fluid

centrifugal force = (mass *velocity2)/radius.

hence centrifugal force is directly proportional to the square of the velocity, in this case being the velocity of the fluid.

power provided to pump proportional to the force exerted by the impeller.hence higher the power results in higher centrifugal force implying square of the velocity of the fluid. higher the velocity of the fluid higher the discharge of the pump.

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Q: Why the centrifugal pump is called high discharge pump?
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