Civil Engineering - Water Supply Engineering - Discussion

Discussion Forum : Water Supply Engineering - Section 4 (Q.No. 34)
34.
A slow sand filter is cleaned if its filter head is higher than
10 cm to 20 cm
20 cm to 40 cm
40 cm to 70 cm
70 cm to 120 cm
120 cm to 150 cm.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
1 comments Page 1 of 1.

Om sharma said:   2 weeks ago
How? Please explain to me.

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