A wastewater sample of 2 ml is made up to 300 ml in a BOD bottle with distilled water. The initial D.O. of the sample is 8 mg/l and after 5 days it is 2mg/l. Its BOD is: 1. 6 mg/l 2. 894 mg/l 3. 2400 mg/l 4. 900 mg/l
A wastewater sample of 2 ml is made up to 300 ml in a BOD bottle with distilled water. The initial D.O. of the sample is 8 mg/l and after 5 days it is 2mg/l. Its BOD is: 1. 6 mg/l 2. 894 mg/l 3. 2400 mg/l 4. 900 mg/l
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:A wastewater sample of 2 ml is made up to 300 ml in a BOD bottle with distilled
water. The initial D.O. of the sample is 8 mg/l and after 5 days it is 2mg/l. Its BOD is:
1. 6 mg/l
2. 894 mg/l
3. 2400 mg/l
4. 900 mg/l
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