What is net pump head?

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Multiple Choice

What is net pump head?

Explanation:
Net pump head is the effective head the pump must deliver after subtracting system losses from the pump head. The pump adds energy to move water, but as water travels through pipes, fittings, and elevation changes, losses consume some of that energy. The remaining head is what actually pushes water through the system to the discharge. So net head = pump head − system losses. For example, if the pump provides 60 m of head and the system losses total 12 m, the net head is 48 m. This concept distinguishes from the total head the system requires (which includes all losses and static lift) and from ideas like suction-only head or maximum potential head.

Net pump head is the effective head the pump must deliver after subtracting system losses from the pump head. The pump adds energy to move water, but as water travels through pipes, fittings, and elevation changes, losses consume some of that energy. The remaining head is what actually pushes water through the system to the discharge. So net head = pump head − system losses. For example, if the pump provides 60 m of head and the system losses total 12 m, the net head is 48 m. This concept distinguishes from the total head the system requires (which includes all losses and static lift) and from ideas like suction-only head or maximum potential head.

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