Civil Engineering - GATE Exam Questions - Discussion
Discussion Forum : GATE Exam Questions - Section 3 (Q.No. 37)
37.
A waste water sample diluted to 100 times with aeration water had an initial dissolved oxygen (DO) of 7.0 mg/l and after 5 days of incubation at 20°C, the DO was zero. The BOD of waste water is :
Discussion:
11 comments Page 2 of 2.
Urjit said:
3 years ago
Answer is C because when the final Bod is 0 then we can't find the BOD.
(1)
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