Waste Water Engineering For the COD test of sewage, organic matter is oxidised by K₂Cr₂O₇ in the presence of None of these H₂SO₄ HCl HNO₃ None of these H₂SO₄ HCl HNO₃ ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Imhoff cone is used to measure Total solids Total organic solids Settleable solids Total in organic solids Total solids Total organic solids Settleable solids Total in organic solids ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Oxidation process results in the formation of Carbon dioxide All of these Sulphates Nitrates Carbon dioxide All of these Sulphates Nitrates ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering To test chemical oxygen demand (C.O.D.) of sewage, organic matter is oxidised by potassium dichromate in the presence of Sulphuric acid Citric acid Hydrochloric acid Nitric acid Sulphuric acid Citric acid Hydrochloric acid Nitric acid ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In primary sedimentation, the 0.2 mm inorganic solids get separated if specific gravity is 2.65 2.25 2.5 2.55 2.65 2.25 2.5 2.55 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In case of Imhoff tanks, The shape is rectangular All of these Detention period is 2 hours The velocity of flow is restricted to 0.30 m/minute The shape is rectangular All of these Detention period is 2 hours The velocity of flow is restricted to 0.30 m/minute ANSWER DOWNLOAD EXAMIANS APP
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