railway RRB JE (CBT I + CBT II) Mock Test 2024 Environmental Engineering Disposing of Sewage Effluents
Based on Royal commission report, the dilution factor for the condition 'No treatment is required, raw sewage can be directly discharged into the volume of dilution water' is
1
Less than 150
2
Between 300 and 500
3
Above 500
4
Between 150 and 300