Question 7016 of 234 · California Wastewater Operator Exam
The best way to confirm that sulfur dioxide is not over-applied in dechlorination is to
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 7016
- A: monitor chlorine residual and dissolved oxygen in the effluent
Explanation
Excess sulfite lowers dissolved oxygen and can harm fish. The goal is a residual of zero chlorine without overdose.
More questions: Disinfection and Dechlorination
- 7017Which action is part of safely changing a chlorine cylinder?
- 7018Breakpoint chlorination refers to
- 7019Why are chlorine cylinders stored upright and secured?
- 7020A chlorine residual in the effluent that suddenly drops while the dose stays the same most likely means
- 7001In California operator certification regulations, disinfection includes
- 7002The chemical commonly used for dechlorination is