Question 3019 of 223 · California Water Treatment Operator Exam
A dry chemical feeder that delivers a measured weight or volume of powder per time is called 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 3019
- D: volumetric or gravimetric feeder
Explanation
Volumetric feeders deliver by volume and gravimetric feeders by weight. Both can be used for alum, lime and carbon.
More questions: Operation and Maintenance
- 3020Chlorine gas feed systems often use a vacuum regulator because
- 3021What is the purpose of a venturi or ejector in a chlorine gas feed system?
- 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