Q. In sewers the velocity of flow should not be (Solved)
1. More than the self-cleansing velocity
2. Less than the self-cleansing velocity
3. Less than 10 m/sec
4. More than 20 m/sec
- b. Less than the self-cleansing velocity
1. More than the self-cleansing velocity
2. Less than the self-cleansing velocity
3. Less than 10 m/sec
4. More than 20 m/sec