Question 3002 of 234 · California Wastewater Operator Exam
Primary treatment is a process that
Exactly one answer is correct.
You got of questions right. Here on the question pages nobody remembers which ones you got wrong. The trainer saves your progress and asks the mistakes again until they stick.
Or free: the 10 questions most people get wrong
Show solution
Correct answer to question 3002
- B: allows substances that readily settle or float to be separated from the water
Explanation
23 CCR 3671 defines primary treatment as separation of settleable and floatable material. Primary clarifiers commonly remove about 50 to 65 percent of TSS and 25 to 40 percent of BOD.
More questions: Preliminary and Primary Treatment
- 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
- 3008A comminutor or grinder is used to