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
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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