Question 3008 of 234 · California Wastewater Operator Exam
A comminutor or grinder is used to
Exactly one answer is correct.
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Correct answer to question 3008
- B: cut up large solids so they can be removed with the sludge normally
Explanation
Comminutors shred solids in the flow without removing them. Rags can still wrap around pumps, so many plants use screens instead.
More questions: Preliminary and Primary Treatment
- 3009The most common cause of odors from a preliminary treatment area is
- 3010How should screenings from a bar screen be handled?
- 3011The main function of a primary clarifier is to
- 3012The typical detention time in a primary clarifier is
- 3013Which problem is most likely to result from leaving sludge in a primary clarifier too long?
- 3014A primary clarifier's overflow rate is calculated by dividing