NGWA CPI Practice Questions - NGWA Certified Pump Installer Exam

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A residential well pump delivers water 200 ft vertically and requires 50 psi at the pressure tank (approximately 115 ft of head). Friction losses in the drop pipe total 18 ft. What is the approximate TDH?

333 ft 268 ft 200 ft 365 ft

Correct Answer:

333 ft

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