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The detention period of a septic tank is ___________

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+1 vote
in Environmental Engineering by (81.4k points)
The detention period of a septic tank is ___________

(a) 2 hours

(b) 12-36 hours

(c) 4 hours

(d) 1 week

I got this question in an online quiz.

The doubt is from Construction of Septic Tank topic in section Solid Waste Management, Aerobic & Anaerobic Stabilization Units of Environmental Engineering

1 Answer

+2 votes
by (693k points)
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Best answer
The correct option is (b) 12-36 hours

To elaborate: The septic tank has a long detention period in comparison to sedimentation than with a detention period of 12 to 36 hours.

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