For complete stabilisation of organic matter in polluted water, it takes
The storage capacity of a reservoir may be divided into three zones. The lowest zone is
P.V.C. pipes can withstand pressure bead of water upto
The factor for the selection of pumping station site, is
In a rapid gravity filter
The population of a city inis 50,The average increase in population over last 8 decades isand average incremental increase during 8 decades isThe population of the city based on incremental method, in the yearwill be
Low turbidity of water is detected by
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