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
5 ppm
10 ppm
15 ppm
20 ppm
25 ppm.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
27 comments Page 2 of 3.

Roy said:   6 years ago
What is the maximum permissible? Either it's maximum or permissible.

Mandeep gupta said:   6 years ago
For domestic purpose 5 to 20 ppm.

Sanket said:   6 years ago
5-25 ppm is for TCU(true colour unit) and 10-20 is for cobalt scale.

Vasanth said:   6 years ago
The range b/w 10 to 20 ppm. So max 20ppm.

Antara Ghosh said:   7 years ago
20 ppm is correct.

Mohammad Asim said:   7 years ago
The range for color for domestic water is 10-20 ppm.

Prashant said:   7 years ago
5 to 15 is correct.

Hemant karmur said:   7 years ago
It's right for the 20 PPM because of the cobalt scale is allowed for the 20 PPM in domestic water.

Tapash Roy said:   7 years ago
20 ppm is correct.

Satish Verma said:   7 years ago
10 ppm is correct.


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