SSC SSC JE Civil 2025 Mock Test Series (Paper 1 & Paper 2) Environmental Engineering Disposing of Sewage Effluents
If a sewer drain carrying a discharge of 2 cumecs outfalls into a river carrying a discharge of 10 cumecs and having DO equal to 8 mg/l the resultant DO of the mix will be equal to:
1
10.5 mg/l
2
5 mg/l
3
6.7 mg/I
4
7.2 mg/l