If 2% solution of a sewage sample is incubated for 5 days at 20°C and depletion of oxygen was found to be 5 ppm, B.O.D. of the sewage is____________________? | MCQ Hive

Civil Engineering MCQs

Q If 2% solution of a sewage sample is incubated for 5 days at 20°C and depletion of oxygen was found to be 5 ppm, B.O.D. of the sewage is____________________?

A A. 200 ppm
B B. 225 ppm
C C. 250 ppm
D D. None of these

Previous The sewers___________________?

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