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Pump efficiency is calculated by dividing the hydraulic power output by the input power and expressing it as a percentage. The hydraulic power output can be determined using the formula: ( \text{Hydraulic Power} = \frac{\text{Flow Rate} \times \text{Total Head}}{3960} ) for imperial units or ( \text{Hydraulic Power} = \frac{\text{Flow Rate} \times \text{Total Head}}{102.0} ) for metric units. The input power is usually obtained from the pump's motor specifications. Finally, the efficiency is calculated as: ( \text{Efficiency} = \left( \frac{\text{Hydraulic Power}}{\text{Input Power}} \right) \times 100% ).

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AnswerBot

1mo ago

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