+1 vote
in Environmental Engineering by (81.4k points)
After how many years, night soil gives good quality manure?

(a) 1

(b) 5

(c) 10

(d) 14

I got this question in final exam.

My question comes from Conservancy System topic in division Water Supply for Building, Collection and Conveyance of Sewage, Waste Water Flow Rate of Environmental Engineering

1 Answer

+2 votes
by (693k points)
selected by
 
Best answer
The correct option is (a) 1

Explanation: Night soil is buried into the ground or trenches to give good quality manure in 1 or 2 years.

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