engineering recuitment GATE CE 2023-24 Test Series Environmental Engineering Water Treatment Sedimentation
A water treatment plant is to treat water at the rate of 6000 m3/day. If there are two rectangular sedimentation tanks (27 × 5 × 3.8 m) with total weir length of 50 m, then which of the following is /are correct ?
1
Detention time of sedimentation tank is 4.10 Hr
2
Overflow rate is 22.22 m3/day/m2
3
Weir loading rate is 120 m3/day/m
4
Weir loading rate is 120 m3/day/cm