Civil Engineering - UPSC Civil Service Exam Questions - Discussion

Discussion Forum : UPSC Civil Service Exam Questions - Section 22 (Q.No. 34)
34.
In the plot of residual chlorine versus chlorine dose applied shown in the above figure, the curve will not have any (0, 0) point because
of experimental error
chlorine escapes into the atmosphere
chlorine requires some contact time
chlorine is consumed for disinfection
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
4 comments Page 1 of 1.

Neeraj said:   4 years ago
Because cl2 gets consumed to oxidise fe2+ n mn2+ into fe2o3 n mno2 in early region.

Umesh JIT said:   6 years ago
Yes, it's D.

Basu said:   7 years ago
It should be option D.

Vivek said:   7 years ago
It must be D.

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