Waste Water Engineering
The screens are fixed

At an angle 30° to 60° to the direction of flow
Perpendicular to the direction of flow
Parallel to the direction of flow
None of these

ANSWER DOWNLOAD EXAMIANS APP

Waste Water Engineering
The sewers

Must be of adequate size to avoid over flow
Must be laid at least 2 to 3 m deep to collect /water from the basements
All listed here
Must flow under gravity ½ to ¾ full

ANSWER DOWNLOAD EXAMIANS APP

Waste Water Engineering
The pressure exerted by

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

ANSWER DOWNLOAD EXAMIANS APP