Waste Water Engineering The spacing of bars of perforations of fine screens used for the treatment of sewage, is 2 to 3 mm 5 to 8 mm 8 to 10 mm 3 to 5 mm 2 to 3 mm 5 to 8 mm 8 to 10 mm 3 to 5 mm 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 In sewers the effect of scouring is more on Horizontal side All sides Bottom side Top side Horizontal side All sides Bottom side Top side ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Depletion of ozone layer in the outer atmosphere may cause Heart disorder Lung cancer Skin cancer Bronchitis Heart disorder Lung cancer Skin cancer Bronchitis ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The normal values of over flow rates for sedimentation tanks using coagulant, ranges between 80,000 to 100,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day 25,000 to 35,000 litres/sqm/day 50,000 to 60,000 litres/sqm/day 80,000 to 100,000 litres/sqm/day 40,000 to 50,000 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 A sewer running partially full and hurried with back filled, fails in compression due to Superimposed traffic loads Weight of the back fill All listed here Weight of the pipe Superimposed traffic loads Weight of the back fill All listed here Weight of the pipe ANSWER DOWNLOAD EXAMIANS APP
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