Waste Water Engineering The spacing of bars for perforations in coarse screens used for the treatment of sewage, is 20 mm 50 mm 40 mm 30 mm 20 mm 50 mm 40 mm 30 mm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For detecting the nitrites in the sewage, the matching colour may be developed by adding None of these Phenol-di -sulphuric acid potassium hydroxide Sulphuric acid and napthamine Potassium permanganate None of these Phenol-di -sulphuric acid potassium hydroxide Sulphuric acid and napthamine Potassium permanganate ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For sewer mains of 0.5 to 1 m diameter, the ratio of maximum daily sewage flow to the average daily sewage flow is assumed 3 2 1.5 2.5 3 2 1.5 2.5 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In normal conditions, the period for sludge digestion, is 10 days 20 days 30 days 60 days 10 days 20 days 30 days 60 days ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Lead caulked joints are used for laying G.I. pipes Stone ware pipes Earthenware pipes I. pipes G.I. pipes Stone ware pipes Earthenware pipes I. pipes ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Skimming tanks are Tanks provided with self- cleansing screens Those from which sludge is skimmed out Used to remove the grease and oil Improved version of grit chambers Tanks provided with self- cleansing screens Those from which sludge is skimmed out Used to remove the grease and oil Improved version of grit chambers ANSWER DOWNLOAD EXAMIANS APP
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