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.) Dissolved Oxygen (D.O.) None of these Bio-Chemical Oxygen Demand (B.O.D.) Chemical Oxygen Demand (C.O.D.) Dissolved Oxygen (D.O.) None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Nitrogen cycle of sewage, is Liberation of nitrogen-liberation of ammonia-formation of nitrites- formation of nitrates Liberation of nitrogen-formation of nitrates-formation of nitrites-liberation of ammonia Liberation of ammonia-formation of nitrites-formation of nitrates-liberation of nitrogen 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 nitrogen-formation of nitrates-formation of nitrites-liberation of ammonia Liberation of ammonia-formation of nitrites-formation of nitrates-liberation of nitrogen Formation of nitrates-formation of nitrites-liberation of nitrates-liberation of nitrates ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Dried sewage after treatment is used as Base material for paints Building material Chemical for lowering B.O.D. Fertilizer Base material for paints Building material Chemical for lowering B.O.D. Fertilizer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For the COD test of sewage, organic matter is oxidised by K₂Cr₂O₇ in the presence of HNO₃ HCl None of these H₂SO₄ HNO₃ HCl None of these H₂SO₄ ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The drop man holes are generally provided in sewers for Industrial areas Hilly town ships Large town ships Cities in plains Industrial areas Hilly town ships Large town ships Cities in plains ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The arrangement made for passing the sewer line below an obstruction below the hydraulic gradient lines called Depressed sewer all of these Inverted syphon Sag pipe Depressed sewer all of these Inverted syphon Sag pipe ANSWER DOWNLOAD EXAMIANS APP
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