Question 3017 of 229 · California Water Distribution Operator Exam
A chemical feed pump runs but delivers no chemical. Which is a likely cause?
Exactly one answer is correct.
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Correct answer to question 3017
- A: An air lock or a stuck check valve at the suction or discharge
Explanation
Loss of prime and sticking check valves are common. Priming and cleaning the valves usually restore the feed.
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