Civil Engineering - Water Supply Engineering - Discussion

Discussion Forum : Water Supply Engineering - Section 6 (Q.No. 31)

Water Supply Engineering

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 3 of 3.

Shivu said: 8 years ago

It should be 10ppm.

Antara Ghosh said: 7 years ago

20 ppm is correct.

Tapash Roy said: 7 years ago

20 ppm is correct.

Satish Verma said: 7 years ago

10 ppm is correct.

Gajan Rana said: 8 years ago

Yeah, it's 25.

Asim saha said: 8 years ago

10 to 20 ppm.

Sahil said: 9 years ago

Yes it is 25.

Post your comments here:

Quick links

Quantitative Aptitude

Verbal (English)

Reasoning

Programming

Interview

Placement Papers