Civil Engineering - UPSC Civil Service Exam Questions - Discussion
Discussion Forum : UPSC Civil Service Exam Questions - Section 8 (Q.No. 18)
18.
What is the ratio of rate of back-washing to that of filtration in a typical rapid sand filter ?
Discussion:
4 comments Page 1 of 1.
Bhagwan singh lodha said:
6 years ago
Please explain the answer.
Ashok said:
6 years ago
Give description for the answer.
Jinish said:
6 years ago
In STP, Back washing is 6 times effective to the sand filter.
Abhishek thakur said:
4 years ago
Rate of backwashing = 6 - 16 times the actual rate of rapid sand filtration.
(1)
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