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The output power of the centrifugal pump is proportional to the _________ of the speed.(a) Square(b) Cube(c) Square-root(d) Cube-rootThis question was posed to me during an online exam.This intriguing question originated from Solar Powered Pump Drives in division Solar and Battery Powered Drives of Electric Drives

Answer» RIGHT choice is (b) CUBE

The best explanation: The output power of the centrifugal pump is PROPORTIONAL to the cube of the speed. They require a small TORQUE to start.


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