engineering recuitment UPSSSC JE Civil 2024 Mock Test Environmental Engineering Quality and Characteristics of Sewage
In the analysis of unseeded domestic waste water BOD test, the data used is 6ml of waste in a 300 ml bottle, initial DO of 8 mg/l and 5 day DO is 4 mg/l. Compute 5day BOD of waste water.
1
220 mg/l
2
150 mg/l
3
145 mg/l
4
200 mg/l