1037Civil EngineeringMedium
For treating the sewage of a large city, you will recommend________?
AA plant consisting of Imhoff tanks with low rate trickling filters
BA sedimentation tank and an activated sludge treatment plant
CSedimentation tanks with high rate trickling filters
DNone of these
Correct answer
B. A sedimentation tank and an activated sludge treatment plant
Explanation
The correct answer is A sedimentation tank and an activated sludge treatment plant.