Waste Water Engineering The normal values of over flow rates for secondary sedimentation tanks, ranges between 25,000 to 35,000 litres/sqm/day 80,000 to 10,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day 50,000 to 60,000 litres/sqm/day 25,000 to 35,000 litres/sqm/day 80,000 to 10,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day 50,000 to 60,000 litres/sqm/day ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The clarigesters are Rectangular septic tanks Circular Imhoff double storey tanks without bottom hoppers Circular septic tanks Circular Imhoff double tanks with bottom hoppers Rectangular septic tanks Circular Imhoff double storey tanks without bottom hoppers Circular septic tanks Circular Imhoff double tanks with bottom hoppers ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering It is customary to design a sewer for D.W.F. on the basis of Four times the average demand Twice the average demand Average demand Thrice the average demand Four times the average demand Twice the average demand Average demand Thrice the average demand ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In normal conditions, the period for sludge digestion, is 60 days 20 days 30 days 10 days 60 days 20 days 30 days 10 days ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In septic tanks, decomposition of organic bacteria, is done by Both types of bacterias Aerobic bacteria None of these Anaerobic bacteria Both types of bacterias Aerobic bacteria None of these Anaerobic bacteria ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The gas evolved in sewers is Hydrogen sulphide Carbondioxide All of these Methane Hydrogen sulphide Carbondioxide All of these Methane ANSWER DOWNLOAD EXAMIANS APP
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