Question 3001 of 234 · California Wastewater Operator Exam
Under the California operator certification regulations, preliminary treatment is a process that
Exactly one answer is correct.
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Correct answer to question 3001
- A: removes or reduces the size of solids that could damage equipment or reduce treatment effectiveness
Explanation
23 CCR 3671 defines preliminary treatment this way. Screening, grit removal and comminution are typical preliminary processes.
More questions: Preliminary and Primary Treatment
- 3002Primary treatment is a process that
- 3003The main purpose of a bar screen is to
- 3004The typical approach velocity in the channel ahead of a mechanically cleaned bar screen is about
- 3005What is the purpose of a grit chamber?
- 3006The velocity in a horizontal-flow grit channel is normally controlled at about
- 3007If a grit chamber velocity is too low, the result will most likely be