engineering recuitment RPSC AEn Mock Test 2024 Environmental Engineering Quality and Characteristics of Sewage
3 day BOD of a waste water sample is 250 mg/L at 20° C. What is the 5 day BOD in mg/L at same temperature?
[Kd at 20° C = 0.1. Assume values 10(-0.3) = 0.5 and 10(-0.5) = 0.316]
1
346
2
442
3
342
4
242
5
Question Not Attempted