Civil Engineering - UPSC Civil Service Exam Questions - Discussion

1. 

A river is the source of water for water supply to a town. Its water is very turbid and polluted. The correct sequence of steps for treating the river water would be :

[A]. Presedimentation -> prechlorination -> coagulation -> sedimentation -> filtration -> post chlorination
[B]. coagulation -> sedimentation -> post-chlorination
[C]. coagulation -> filtration -> sedimentation -> post-chlorination
[D]. sedimentation -> post-chlorination

Answer: Option A

Explanation:

No answer description available for this question.

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