Question 4022 of 234 · California Wastewater Operator Exam
A rotating biological contactor (RBC) is a
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 4022
- A: series of discs partly submerged in the wastewater that rotate and support a biofilm
Explanation
RBC discs rotate so the biofilm alternately contacts wastewater and air. Treatment is similar to trickling filtration.
More questions: Secondary Treatment (Activated Sludge, Trickling Filters, RBC)
- 4023The purpose of the secondary clarifier is to
- 4024A sludge blanket that is rising too high in a secondary clarifier should be corrected by
- 4025Which is a sign of toxic shock to an activated sludge system?
- 4026Extended aeration plants typically operate with
- 4027A sequencing batch reactor (SBR) carries out its treatment steps
- 4028When dissolved oxygen in an aeration tank is too low, the most likely result is