Waste Water Engineering For design of sewers, percentage of sewage discharge is assumed 70 to 75% 75 to 80% 65 to 70% 0.85 70 to 75% 75 to 80% 65 to 70% 0.85 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A rain sanitary sewer is constructed to carry Surface water Ground water Storm sewage Sanitary sewage Surface water Ground water Storm sewage Sanitary sewage ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The amount of oxygen consumed by the aerobic bacterias which cause the aerobic biological decomposition of sewage, is known Bio-Chemical Oxygen Demand (B.O.D.) Chemical Oxygen Demand (C.O.D.) None of these Dissolved Oxygen (D.O.) Bio-Chemical Oxygen Demand (B.O.D.) Chemical Oxygen Demand (C.O.D.) None of these Dissolved Oxygen (D.O.) ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Nitrogen cycle of sewage, is Liberation of nitrogen-formation of nitrates-formation of nitrites-liberation of ammonia Formation of nitrates-formation of nitrites-liberation of nitrates-liberation of nitrates Liberation of nitrogen-liberation of ammonia-formation of nitrites- formation of nitrates Liberation of ammonia-formation of nitrites-formation of nitrates-liberation of nitrogen Liberation of nitrogen-formation of nitrates-formation of nitrites-liberation of ammonia Formation of nitrates-formation of nitrites-liberation of nitrates-liberation of nitrates Liberation of nitrogen-liberation of ammonia-formation of nitrites- formation of nitrates Liberation of ammonia-formation of nitrites-formation of nitrates-liberation of nitrogen 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 – 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 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 120 1 in 60 None of these 1 in 100 1 in 120 1 in 60 None of these ANSWER DOWNLOAD EXAMIANS APP