| Q.19 | In the design of continuous flow type sedimentation tank, if A= theoretical detention period and B= the actual average time taken by a batch of water in passing through the settling tank, then what will be the displacement efficiency? | |
| Ans | 1. B/A | |
| 2. A/B | ||
| 3. A + B | ||
| 4. A*B |
Correct Ans Provided: 1