Waste Water Engineering Sewer ventilating columns are generally placed at Every change in the size of sewers All listed here Distances 150 m to 300 m Upper ends of branch sewers Every change in the size of sewers All listed here Distances 150 m to 300 m Upper ends of branch sewers ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Sewer pipes need be checked for None of these Both A and B Maximum flow Minimum flow None of these Both A and B Maximum flow Minimum flow ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In case of sewer lines Test for straightness is carried out with the help of a lamp and mirror Water test is carried out to check water tightness of the joints Obstruction test is carried out with the help of smooth ball of diameter 13 mm All listed here Test for straightness is carried out with the help of a lamp and mirror Water test is carried out to check water tightness of the joints Obstruction test is carried out with the help of smooth ball of diameter 13 mm All listed here ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Stone ware pipes are Especially suited to pressure pipes Highly impervious Highly resistant to sulphide corrosion Hydraulically efficient because of their smooth interior surface Especially suited to pressure pipes Highly impervious Highly resistant to sulphide corrosion Hydraulically efficient because of their smooth interior surface ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The coagulant which is generally not used for treating the sewage, is Alum Chlorinated coppers Ferric chloride Ferric sulphate Alum Chlorinated coppers Ferric chloride Ferric sulphate ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The minimum recommended diameter of sewers, is 20 cm 5 cm 15 cm 10 cm 20 cm 5 cm 15 cm 10 cm ANSWER DOWNLOAD EXAMIANS APP