Waste Water Engineering Before discharging the foul sewage into rivers, it is generally treated by Oxidation Sedimentation All listed here Screening Oxidation Sedimentation All listed here Screening 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 Citric acid Nitric acid Sulphuric acid Hydrochloric acid Citric acid Nitric acid Sulphuric acid Hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Which one of the following gases is most significant as air pollutant? Carbondioxide Nitrogen Oxygen Sulphur-dioxide Carbondioxide Nitrogen Oxygen Sulphur-dioxide ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering pH value of sludge during alkaline regression stage, is Less than 6 More than 6 Less than 7 More than 7 Less than 6 More than 6 Less than 7 More than 7 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The liquid wastes from kitchens, bath rooms and wash basins, is not called None of these Sewage Sullage Liquid waste None of these Sewage Sullage Liquid waste ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For detecting the nitrites in the sewage, the matching colour may be developed by adding Sulphuric acid and napthamine Potassium permanganate None of these Phenol-di -sulphuric acid potassium hydroxide Sulphuric acid and napthamine Potassium permanganate None of these Phenol-di -sulphuric acid potassium hydroxide ANSWER DOWNLOAD EXAMIANS APP
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