Waste Water Engineering
Skimming tanks are

Used to remove the grease and oil
Tanks provided with self- cleansing screens
Those from which sludge is skimmed out
Improved version of grit chambers

ANSWER DOWNLOAD EXAMIANS APP

Waste Water Engineering
For treating the sewage of a large city, you will recommend

Sedimentation tanks with high rate trickling filters
A plant consisting of Imhoff tanks with low rate trickling filters
None of these
A sedimentation tank and an activated sludge treatment plant

ANSWER DOWNLOAD EXAMIANS APP