Waste Water Engineering Before discharging the foul sewage into rivers, it is generally treated by Screening Oxidation All listed here Sedimentation Screening Oxidation All listed here Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The clarigesters are Circular Imhoff double storey tanks without bottom hoppers Circular Imhoff double tanks with bottom hoppers Circular septic tanks Rectangular septic tanks Circular Imhoff double storey tanks without bottom hoppers Circular Imhoff double tanks with bottom hoppers Circular septic tanks Rectangular septic tanks ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The dimensions of a rectangular settling tank are: length 24 m, width 6 m and depth 3 m. If 2 hour detention period for tanks is recommended, the rate of flow of sewage per hour, is 212 cu.m 216 cu.m 204 cu.m 208 cu.m 212 cu.m 216 cu.m 204 cu.m 208 cu.m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewers designed with self cleansing velocity, Both silting and scouring occur at the bottom The bottom is scoured Neither silting nor scouring occurs at the bottom The bottom is silted Both silting and scouring occur at the bottom The bottom is scoured Neither silting nor scouring occurs at the bottom The bottom is silted ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The density of population over 40 hectares is 250/hectare. If water supply demand per day is 200 litres and sewage discharge is 80% of water supply, the sewage flow in sewers of separate system, is 0.05556 cumec 0.0556 cumec 0.05554 cumec 0.05552 cumec 0.05556 cumec 0.0556 cumec 0.05554 cumec 0.05552 cumec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In a sludge digestion tank if the moisture content of sludge V1 litres is reduced from p1 % to p2 % the volume V2 is [(100 – P1)/(100 + P2)] V1 [(100 – P1)/(100 – P2)] V1 [(100 + P2)/(100 – P1)] V1 [(100 + P1)/(100 – P2)] V1 [(100 – P1)/(100 + P2)] V1 [(100 – P1)/(100 – P2)] V1 [(100 + P2)/(100 – P1)] V1 [(100 + P1)/(100 – P2)] V1 ANSWER DOWNLOAD EXAMIANS APP
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