What is the range of width assumed while designing a rectangular tank?

What is the first step in clarification?

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

What is the maximum permissible velocity in horizontal flow type sedimentation tank?

For laminar flow Reynolds number is 1.

Which mode of settling are tube settlers based on?

The clustered particles formed in the presence of a flocculant are called __

How is the length of the surface calculated in case of countercurrent settling?