Waste Water Engineering
In a residential colony, sewers of diameters 100 mm, 150 mm and 225 mm were laid with a gradient 1 in 120. Which portion of the sewage system does not choke in due course of time?

150 mm dia
All of these
225 mm dia
100 mm dia

ANSWER DOWNLOAD EXAMIANS APP

Waste Water Engineering
Nitrogen cycle of sewage, is

Formation of nitrates-formation of nitrites-liberation of nitrates-liberation of nitrates
Liberation of ammonia-formation of nitrites-formation of nitrates-liberation of nitrogen
Liberation of nitrogen-liberation of ammonia-formation of nitrites- formation of nitrates
Liberation of nitrogen-formation of nitrates-formation of nitrites-liberation of ammonia

ANSWER DOWNLOAD EXAMIANS APP

Waste Water Engineering
The stone ware sewers

Are manufactured from clays and shale
After casting are dried and burnt at temperature 150°C, 700°C and 1200°C
All listed here
Are used for carrying sewage and drainage from houses

ANSWER DOWNLOAD EXAMIANS APP