engineering recuitment KPSC Assistant Engineer Civil Mock Test 2020 Environmental Engineering Water Treatment Filtration
A rapid sand filter for a town with water requirement of 1 MLD is to be provided with rate of filtration at 4000 l / hr / m2, with backwash system. What would be the size of the filter and its under-drainage system to the nearest approximation?
1
10 and 0.032 sq. m
2
11 and 0.022 sq. m
3
12 and 0.045 sq. m
4
15 and 0.062 sq. m