Civil Engineering - UPSC Civil Service Exam Questions - Discussion

Discussion Forum : UPSC Civil Service Exam Questions - Section 18 (Q.No. 41)
41.
The following data pertain to a waste-water sample :
Initial D.O. = 8 mg/l
Final D.O. = 2 mg/l
Dilution = 1%.
The B.O.D. of the given wastewater sample is
600 mg/l
6 mg/l
0.6 mg/l
1 mg/l
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
1 comments Page 1 of 1.

Pops said:   8 years ago
= (initial-final)/dilution.
= (8-2)/(1/100)=600mg/l.

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