Question 1023 of 229 · California Water Distribution Operator Exam
Which problem is specific to chloraminated distribution systems?
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 1023
- B: Nitrification, which uses up the residual and raises nitrite
Explanation
Bacteria convert free ammonia to nitrite and nitrate, consuming the chloramine residual. Operators watch for falling total chlorine, rising nitrite and increasing HPC.
More questions: Disinfection
- 1024Water that will be used for kidney dialysis or fish tanks needs special treatment when the system uses chloramines. Why?
- 1025On the chlorine dose curve, what is the breakpoint?
- 1026In a breakpoint chlorination curve, what makes up the residual after the breakpoint is passed?
- 1027What is the main cause of disinfection byproducts such as trihalomethanes in a distribution system?
- 1028Which AWWA standard covers disinfection of water storage facilities?
- 1029Which AWWA standard covers disinfection of wells?