+1 vote
in Environmental Engineering by (81.4k points)
The detention period for a sedimentation tank  where coagulation takes place is ____________

(a) 30 seconds

(b) 1 minute

(c) 1hour

(d) 2hour

The question was posed to me during an online interview.

My question is based upon Design of Sedimentation Tank topic in chapter Sedimentation and Chemical Clarification of Environmental Engineering

1 Answer

+2 votes
by (693k points)
selected by
 
Best answer
Correct answer is (d) 2hour

The best explanation: The detention period for a sedimentation tank without coagulation is 4 hours, whereas with coagulation is 2 – 2.5 hours.

Related questions

We welcome you to Carrieradda QnA with open heart. Our small community of enthusiastic learners are very helpful and supportive. Here on this platform you can ask questions and receive answers from other members of the community. We also monitor posted questions and answers periodically to maintain the quality and integrity of the platform. Hope you will join our beautiful community
...