Answer / Rupesh Kumar Singh

The selection of a pump for lifting water from a borewell is based on several factors, including the height, flow rate, and viscosity of the water. A common method to calculate the required horsepower (HP) for a centrifugal pump is: HP = (head x capacity x specific gravity) / 3960. The head is the total dynamic head, which includes static head (elevation) and velocity head. It's recommended to consult with a professional or manufacturer for precise calculations.

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