Waste Water Engineering The pH value of sewage is determined with the help of Potentiometer None of these Imhoff Cone Turbid meter Potentiometer None of these Imhoff Cone Turbid meter ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The gas evolved in sewers is All of these Carbondioxide Hydrogen sulphide Methane All of these Carbondioxide Hydrogen sulphide Methane ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For the COD test of sewage, organic matter is oxidised by K₂Cr₂O₇ in the presence of HNO₃ H₂SO₄ None of these HCl HNO₃ H₂SO₄ None of these HCl ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering To prevent settling down of sewage both at the bottom and on the sides of a large sewer, self-cleaning velocity recommended for Indian conditions, is 0.70 m/sec 0.75 m/sec 0.50 m/sec 0.60 m/sec 0.70 m/sec 0.75 m/sec 0.50 m/sec 0.60 m/sec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For non-scouring velocity 5 m/sec, the type of sewers generally preferred to, is Glazed bricks sewers Cast iron sewers Cement concrete sewers Stone ware sewers Glazed bricks sewers Cast iron sewers Cement concrete sewers Stone ware sewers ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For detecting the nitrites in the sewage, the matching colour may be developed by adding None of these Potassium permanganate Sulphuric acid and napthamine Phenol-di -sulphuric acid potassium hydroxide None of these Potassium permanganate Sulphuric acid and napthamine Phenol-di -sulphuric acid potassium hydroxide ANSWER DOWNLOAD EXAMIANS APP