Hamad Environmental Engineering 04/05/2021 A. dead end system B. grid iron system C. radial system D. ring system Related Mcqs: The percentage of filtered water, which is used for backwashing in rapid sand filters, is about______________?A. 0.2 to 0.4 B. 0.4 to 1.0 C. 2 to 4 D. 5 to 7... The velocity of flow does not depend on_______________?A. grade of sewer B. length of sewer C. hydraulic mean depth of sewer D. roughness of sewer... When there is no recirculation of sewage, then recirculation factor is_______________?A. 0 B. 1 C. infinity D. none of the above... 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... The chemical most commonly used to increase speed of sedimentation of sewage is_______________?A. sulphuric acid B. copper sulphate C. lime D. sodium permanganate...
Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Δ
Recent Comments