Waste Water Engineering
Kjeldahl nitrogen is a mixture of

Ammonia and nitrogen
Nitrogen and organic nitrogen
All listed here
Organic nitrogen and ammonia

ANSWER DOWNLOAD EXAMIANS APP

Waste Water Engineering
Stone ware pipes are

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

ANSWER DOWNLOAD EXAMIANS APP