Strength of Sewage can be assessed by All EXCEPT: (A) Biological oxygen demand (BOD), (B) Chemical oxygen demand (COD), (C) Suspended solids, (D) Coliform count
Answer is D. Sewage - Contains 99.9% water Strength is assessed by 1. BOD (Biological O2 Demand) - Best method O2 absorbed by sewage at 200 C 2. COD (Chemical O2 demand) 3. Suspended solids