Civil Engineering - Water Supply Engineering - Discussion
Discussion Forum : Water Supply Engineering - Section 6 (Q.No. 31)
31.
The maximum permissible colour for domestic supplies based on cobalt scale, is
Discussion:
27 comments Page 2 of 3.
Prashant said:
7 years ago
5 to 15 is correct.
Mohammad Asim said:
7 years ago
The range for color for domestic water is 10-20 ppm.
Antara Ghosh said:
7 years ago
20 ppm is correct.
Vasanth said:
6 years ago
The range b/w 10 to 20 ppm. So max 20ppm.
Sanket said:
6 years ago
5-25 ppm is for TCU(true colour unit) and 10-20 is for cobalt scale.
Mandeep gupta said:
6 years ago
For domestic purpose 5 to 20 ppm.
Roy said:
6 years ago
What is the maximum permissible? Either it's maximum or permissible.
Heera said:
6 years ago
Apha Hazen scale: 5 to 15 ppm.
Platinum cobalt scale: 20 ppus.
Platinum cobalt scale: 20 ppus.
Shubh said:
5 years ago
On a Cobalt scale, it is 20 ppm.
So, given answer is correct.
So, given answer is correct.
Anirban Roy said:
5 years ago
It should be 15 as per IS code.
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