Lamella Clarifier works on which principle?

What is the ratio of Polymer/Phosphate while adding polymer to a waste water in order to remove the phosphates present?

Which of these process are involved in the removal of oil and grease?

Name the compound formed when lime is added in order to precipitate phosphate.

Newton’s law is used for_______

In which of the following sedimentation tanks, the flow may be either horizontal or vertical?

How is the length of the surface of a settling tank determined in case of cross- flow settling?

Why are the baffle walls provided?