Which of these is not a grit removal equipment installed in the aerated grit chamber?

Which of these screens have a very large footprint?

What is the amount of air supplied for these grit chambers?

What is the headloss for fine screens?

What is the detention time considered for aerated grit chamber?

What is the approach velocity for grit bearing wastewaters?

What is the headloss through a communitor?

Usually while designing what is the range of depth of the aerated grit chamber assumed?