NGWA CPI Practice Questions - NGWA Certified Pump Installer Exam

When calculating Total Dynamic Head (TDH) for a submersible pump installation, which components must be summed?

Static water level, friction losses in drop pipe, and pressure at discharge point Pump depth, pipe diameter, and motor horsepower Well casing diameter, screen length, and pump setting depth Discharge pressure only, since friction losses are negligible for residential wells

Correct Answer:

Static water level, friction losses in drop pipe, and pressure at discharge point

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