engineering recuitment ISRO Scientist Civil Mock Test Environmental Engineering Quality and Characteristics of Sewage
The following data pertain to a sewage sample:
(a) Initial DO = 10 mg/l
(b) Final DO = 2 mg/l
(c) Dilution Ratio = 1 : 100
The BOD of the given sewage sample is:
1
8 mg/l
2
10 mg/l
3
100 mg/l
4
800 mg/l