Q. In a grit chamber of a sewage treatment plant, (Solved)
1. Flow velocity 0.15 m to 0.3 m/sec is kept
2. Depth of 0.9 m to 1.20 m is kept
3. One minute of detention period is kept
4. All the above
- d. All the above
1. Flow velocity 0.15 m to 0.3 m/sec is kept
2. Depth of 0.9 m to 1.20 m is kept
3. One minute of detention period is kept
4. All the above