GATE MN · 2021 · MN
Question 31: Surface Environment
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Question 31
MNMCQ2 marksNeeds review
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
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2021MN
GATE MN 2021 · Paper 1
Mining Engineering · Original paper archive
- Section
- Mining Engineering
- Question type
- Multiple choice (MCQ)
- Marks
- 2 marks
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