engineering recuitment GATE CE 2023-24 Test Series Environmental Engineering Quality and Characteristics of Sewage
The 5-day BOD of a wastewater is 150 mg/l at 30°C. Calculate its 5 days BOD at 20°C if the deoxygenation constant at 20°C is 0.1 (base 10).
1
122.42 mg/l
2
142.32 mg/l
3
150 mg/l
4
179.03 mg/l