Mining Engineering > GATE 2021 > Mine Environment
A 10 ml sample of wastewater is diluted with water having no BOD, to fill a 300 ml BOD bottle. The initial DO of the diluted waste water is 9.0 mg/L. If the BOD5 of the waste water sample is 60 mg/l, the final DO of the diluted waste water in mg/l, is
Correct : c
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