If a 2% solution of sewage sample is incubated for 5 days at 20°C and the dissolved oxygen depletion was found to be 8 mg/l. The BOD of the sewage is_________________? | MCQ Hive

Civil Engineering MCQs

Q If a 2% solution of sewage sample is incubated for 5 days at 20°C and the dissolved oxygen depletion was found to be 8 mg/l. The BOD of the sewage is_________________?

A A. 100 mg/l
B B. 200 mg/l
C C. 300 mg/l
D D. 400 mg/l

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