🔍 Key Concepts

• Static head in a pumping system (what it physically represents) • How elevation difference between suction and discharge surfaces affects pump work • Difference between liquid surface levels and pump centerline

💭 Think About

• Sketch the suction tank, pump, and discharge tank on a side view and label the liquid levels and pump centerline. Which two points actually define how high the pump must lift the liquid? • Ask yourself: does static head depend on where the pump is located, or on the energy difference between liquid free surfaces? • Consider a case where the pump is moved up or down without changing tank levels. Does the total static head of the system change?

✅ Before You Answer

• Be clear whether static head is defined between two free liquid surfaces or between a surface and the pump centerline • Check which option best matches how much vertical lift the pump must provide regardless of pump location • Verify that you are thinking about system resistance (total static head), not just suction or discharge head alone