Waste Water Engineering The normal values of over flow rates for sedimentation tanks using coagulant, ranges between 40,000 to 50,000 litres/sqm/day 80,000 to 100,000 litres/sqm/day 25,000 to 35,000 litres/sqm/day 50,000 to 60,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day 80,000 to 100,000 litres/sqm/day 25,000 to 35,000 litres/sqm/day 50,000 to 60,000 litres/sqm/day ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the diameter of a sewer is 100 mm, the gradient required for generating self cleansing velocity is 1 in 100 1 in 60 None of these 1 in 120 1 in 100 1 in 60 None of these 1 in 120 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 Sulphuric acid and napthamine Phenol-di -sulphuric acid potassium hydroxide Potassium permanganate None of these Sulphuric acid and napthamine Phenol-di -sulphuric acid potassium hydroxide Potassium permanganate ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the pH value of sewage is 7 It is neutral It is alkaline None of these It is acidic It is neutral It is alkaline None of these It is acidic ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering When drainage to sewage ratio is 20, the peak dry weather flow is None of these Slightly less than 5% of the design discharge 20% of the design discharge Slightly more than 5% of the design discharge None of these Slightly less than 5% of the design discharge 20% of the design discharge Slightly more than 5% of the design discharge ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Dried sewage after treatment is used as Base material for paints Chemical for lowering B.O.D. Fertilizer Building material Base material for paints Chemical for lowering B.O.D. Fertilizer Building material ANSWER DOWNLOAD EXAMIANS APP
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