engineering recuitment GATE CE 2023-24 Test Series Environmental Engineering Quality and Characteristics of Sewage
Calculate 5 day 20°C BOD of a sewage sample if 5 day 30°C BOD of the same sample is 100 mg/L. Take BOD rate constant at 20°C as 0.1 d-1 (Base 10)
1
119.35 mg/L
2
81.62 mg/L
3
112.68 mg/L
4
163.24 mg/L