Question 1034 of 223 · California Water Treatment Operator Exam
Water storage tanks should be disinfected after cleaning or repair mainly 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 1034
- C: kill bacteria that may have been introduced by workers and equipment
Explanation
Tank work can introduce coliform bacteria. Disinfection followed by bacteriological sampling confirms the tank is safe before it returns to service.
More questions: Source Water
- 1035Which of the following is a recognized potential security risk at a water treatment facility?
- 1036What is pretreatment of a raw surface water supply meant to accomplish?
- 1037One acre-foot of water is equal to approximately
- 1038Water at the bottom of a storage tank 50 ft deep exerts a pressure of about
- 1039A pressure gauge on a pipe reads 52 psi. What is the equivalent head in feet?
- 1040Seasonal snowmelt in the watershed usually causes the raw water to