The correct relation between theoretical oxygen demand (TOD), Biochemical oxygen demand (BOD) and Chemical oxygen demand (COD) is given by
A. TOD > BOD > COD
B. TOD > COD > BOD
C. BOD > COD > TOD
D. COD > BOD > TOD
Answer: Option B
This Question Belongs to Civil Engineering >> Environmental Engineering
Join The Discussion
Comments ( 3 )
Related Questions on Environmental Engineering
The distribution mains are designed for
A. Maximum daily demand
B. Maximum hourly demand
C. Average daily demand
D. Maximum hourly demand on maximum day
Sewage treatment units are designed for
A. Maximum flow only
B. Minimum flow only
C. Average flow only
D. Maximum and minimum flow
A. 4.5 to 6.0
B. 6.5 to 8.0
C. 8.5 to 10.0
D. 10.5 to 12.0
ans is d
I think ans is wrong
Answer may be wrong