Waste Water Engineering
Self-cleansing velocity is

Velocity at dry weather flow
Velocity at which no accumulation remains in the drains
Velocity of water in a pressure filter
Velocity of water at flushing

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP