Question
What is the specified minimum time for backwash of rapid filters?
Answer: Option B
Answer: (b).5 minutes
Was this answer helpful ?
Answer: (b).5 minutes
Was this answer helpful ?
More Questions on This Topic :
Question 1. What is the rate of backwash water?....
Question 2. Pre-treatment of beds is not necessary.....
Question 4. What does MLSS stand for?....
Submit Solution