| Q.70 | Determine the length dimension of a rectangular sedimentation tank to treat a flow of 4 Million litre/day to provide a . detention time = 3 hours. Mean Flow velocity is not to exceed 2 mm/s. | |
| Ans | A. 18.4 m | |
| B. 14.4 m | ||
| C. 19.6 m | ||
| D. 21.6 m |
Correct Ans Provided: D