Waste Water Engineering Stone ware pipes are Especially suited to pressure pipes Highly impervious Hydraulically efficient because of their smooth interior surface Highly resistant to sulphide corrosion Especially suited to pressure pipes Highly impervious Hydraulically efficient because of their smooth interior surface Highly resistant to sulphide corrosion ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Sludge banks are formed if sewage is disposed of in None of these Rivers Lakes Seas None of these Rivers Lakes Seas ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A well oxidized sewage contains nitrogen mainly as Nitrites None of these Free ammonia Nitrates Nitrites None of these Free ammonia Nitrates ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The self-cleansing velocity of water flowing through pipe lines, is 0.5 metre/sec 2 metres/sec 1 metre/sec 0.25 metre/sec 0.5 metre/sec 2 metres/sec 1 metre/sec 0.25 metre/sec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The coagulant which is generally not used for treating the sewage, is Ferric sulphate Alum Ferric chloride Chlorinated coppers Ferric sulphate Alum Ferric chloride Chlorinated coppers ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The maximum depth of sedimentation tanks, is kept 3 m 4 m 3.5 m 4.5 m 3 m 4 m 3.5 m 4.5 m ANSWER DOWNLOAD EXAMIANS APP