Waste Water Engineering
If the length of overland flow from the critical point to the mouth of drain is 13.58 km and difference in level between the critical point and drain mouth is 10 m, the inlet time is

2 hours
4 hours
6 hours
8 hours

ANSWER DOWNLOAD EXAMIANS APP

Waste Water Engineering
The pressure exerted by

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

ANSWER DOWNLOAD EXAMIANS APP

Waste Water Engineering
Stone ware pipes are

Highly impervious
Highly resistant to sulphide corrosion
Especially suited to pressure pipes
Hydraulically efficient because of their smooth interior surface

ANSWER DOWNLOAD EXAMIANS APP