Q. Grit should be removed from sewage before (Solved)
1. their disposal in dilution water
2. their lifting by means of pump etc.
3. settling of sewage in sedimentation tank
4. all of the above
- d. all of the above
1. their disposal in dilution water
2. their lifting by means of pump etc.
3. settling of sewage in sedimentation tank
4. all of the above