Civil Engineering :: Environmental Engineering - Civil Engineering
- The detention period for oxidation ponds is usually kept as
- If the sewage contains grease and fatty oils, these are removed in
- The design discharge for the separate sewer system shall be taken as
- The design discharge for the combined sewer system shall be taken as
- The major disadvantage of lime soda process of water softening is that
-
Assertion A: Slow sand filters are more efficient in removal of bacteria than rapid sand filters.
Reason R: The sand used in slow sand filters is finer than that in rapid sand filters
Select your answer based on the coding system given below: - Which of the following sewers is preferred for combined system of sewage?
- The settling velocity of a particle in a sedimentation tank increases if
- Air binding phenomena in rapid sand filters occur due to
- The chemical most commonly used to increase speed of sedimentation of sewage is