Waste Water Engineering
The pressure exerted by

Pressure sewers are designed to be safe in tension
The internal pressure if any, causes tensile stress in the pipe material
All listed here
The sewage when running full from inside, is called internal pressure

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
None of these
A plant consisting of Imhoff tanks with low rate trickling filters
Sedimentation tanks with high rate trickling filters

ANSWER DOWNLOAD EXAMIANS APP