Grit chamber is constructed to protect the further mechanical equipment of the water treatment plant.

Which of the following is true for screens and comminutors?

What is the detention time considered for aerated grit chamber?

At what depth are the air diffusers placed in the grit chamber?

What is the maximum allowable approach velocity for a bar screen at peak flow rates?

Aerated grit chambers are usually designed to remove particles in which range of size?

Which of these screens is used to remove secondary suspended solids?

At what angle generally a coarse manual screen is placed?