A Moving to another question will save this response Questio

A Moving to another question will save this response Question 7 The main function of preliminary treatment processes is o a add chemicals to destabilize the non-settlable solids and grow floc b large objects and grit removall O c protection of downstream unit o d remove BOD, DS and non-settable SS o e b & c A Moving to another question will save this response.

Solution

Answer (b)- large objects and grit removal.

Explanation-The objective of preliminary treatment is the removal of coarse solids and other large materials often found in raw wastewater.