Waste Water Engineering Stone ware pipes are Especially suited to pressure pipes Highly resistant to sulphide corrosion Highly impervious Hydraulically efficient because of their smooth interior surface Especially suited to pressure pipes Highly resistant to sulphide corrosion Highly impervious Hydraulically efficient because of their smooth interior surface ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If a paper moistened with lead acetate for five minutes when placed in manhole turns black. The sewer certainly contains Carbon dioxide Methane Hydrogen sulphide Oxygen Carbon dioxide Methane Hydrogen sulphide Oxygen ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Which one of the following resists hydrogen sulphide corrosion? Asbestos cement R.C.C. Glazed ware Glazed stone wares Asbestos cement R.C.C. Glazed ware Glazed stone wares ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The coagulant which is generally not used for treating the sewage, is Alum Ferric chloride Chlorinated coppers Ferric sulphate Alum Ferric chloride Chlorinated coppers Ferric sulphate ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A safety lamp when inserted in the upper portion of a manhole causes flames. It indicates the presence of Hydrogen sulphide gas Methane gas Carbondioxide gas Petrol vapours Hydrogen sulphide gas Methane gas Carbondioxide gas Petrol vapours ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Large diameter sewers subjected to external pressure alone, are reinforced With elliptical cage Near the outer surface of the pipe Both A and B Near the inner surface of the pipe With elliptical cage Near the outer surface of the pipe Both A and B Near the inner surface of the pipe ANSWER DOWNLOAD EXAMIANS APP