Waste Water Engineering The gas evolved in sewers is Carbondioxide Methane Hydrogen sulphide All of these Carbondioxide Methane Hydrogen sulphide All of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Sludge banks are formed if sewage is disposed of in None of these Seas Rivers Lakes None of these Seas Rivers Lakes ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Which one of the following gases is most significant as air pollutant? Oxygen Carbondioxide Nitrogen Sulphur-dioxide Oxygen Carbondioxide Nitrogen Sulphur-dioxide ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering To test chemical oxygen demand (C.O.D.) of sewage, organic matter is oxidised by potassium dichromate in the presence of Sulphuric acid Citric acid Hydrochloric acid Nitric acid Sulphuric acid Citric acid Hydrochloric acid Nitric acid ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Lead caulked joints are used for laying Earthenware pipes G.I. pipes I. pipes Stone ware pipes Earthenware pipes G.I. pipes I. pipes Stone ware pipes ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering With self cleansing velocity in sewers Silting occurs at bottom Scouring occurs at bottom Both silting and scouring occur at bottom Neither silting nor scouring occurs at bottom Silting occurs at bottom Scouring occurs at bottom Both silting and scouring occur at bottom Neither silting nor scouring occurs at bottom ANSWER DOWNLOAD EXAMIANS APP
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