Question 2017 of 223 · California Water Treatment Operator Exam
Which event is the main trigger for backwashing a filter?
Exactly one answer is correct.
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Correct answer to question 2017
- C: Reaching terminal head loss, turbidity breakthrough or a set run time
Explanation
Filters are backwashed on head loss, effluent turbidity or elapsed time, whichever comes first. This keeps the filter within permit performance.
More questions: Water Treatment Processes
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- 2022Which of the following is a purpose of disinfection?
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