engineering recuitment GATE CE 2023-24 Test Series Environmental Engineering Water Treatment Filtration
A slow sand filter is to be provided for a village of 5000 population. If the average water demand is 200 liter/capita/day and the design rate of filtration for the filter is assumed to be 4500 liter /m2/day. If the surface area per filter box is 60 m2 and one unit is provided as standby, then the number of units to be provided is _____
Enter numerical value using the virtual keypad. Round off where necessary.