engineering recuitment OSSC Combined Technical Services (ଓଡିଶା) Mock Test 2023-24 Environmental Engineering Quality and Characteristics of Sewage
Determine ultimate BOD for sewage having 5-day BOD at 20°C as 180 ppm. Assume the de-oxygenation constant as 0.8 per day.
1
L0 = 195 mg/l
2
L0 = 180 ppm
3
L0 = 220 ppm
4
L0 = 200 mg/l