Question 3021 of 223 · California Water Treatment Operator Exam
What is the purpose of a venturi or ejector in a chlorine gas feed system?
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 3021
- B: To create the vacuum that draws gas in and mixes it into the water stream
Explanation
Water flowing through the ejector creates a vacuum that pulls gas from the chlorinator and dissolves it into a solution that is injected at the application point.
More questions: Operation and Maintenance
- 3022A water meter that measures flow by the movement of a spinning rotor or turbine inside the pipe is a
- 3023A meter reads 458,320 gallons on Monday morning and 512,820 gallons on Tuesday morning. What was the daily use in gallons?
- 3024The accuracy of a flow meter is checked by
- 3025A pressure gauge on a pump discharge reads 0 psi while the pump is running. This most likely indicates
- 3026Total dynamic head of a pump is the
- 3027What does SCADA stand for in water treatment?