Civil Engineering - Water Supply Engineering - Discussion

Discussion Forum : Water Supply Engineering - Section 6 (Q.No. 40)
40.
Maximum permissible colour for domestic water supplies, based on Cobalt scale, is
5 P.P.M.
10 P.P.M.
15 P.P.M.
20 P.P.M.
25 P.P.M.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
3 comments Page 1 of 1.

Agha Bilal said:   5 months ago
Agree, 20 ppm is the correct answer.

Saunak said:   9 years ago
It's 25 P.P.M.
(1)

Hero said:   10 years ago
Check again.
(1)

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