Waste Water Engineering In trickling filter, B.O.D. is reduced to 30 to 40% 40 to 60% 80 to 90% 60 to 80% 30 to 40% 40 to 60% 80 to 90% 60 to 80% ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewer which resists sulphide corrosion, is Lead sewer Brick sewer R.C. sewer Cast iron sewer Lead sewer Brick sewer R.C. sewer Cast iron sewer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If is the diameter of upper circular portion, the overall depth of a standard egg shaped section, is 1.25 D 1.15 D 1.75 D 1.5 D 1.25 D 1.15 D 1.75 D 1.5 D 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 Phenol-di -sulphuric acid potassium hydroxide Sulphuric acid and napthamine Potassium permanganate None of these Phenol-di -sulphuric acid potassium hydroxide Sulphuric acid and napthamine Potassium permanganate ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The pH value of sewage is determined with the help of Turbid meter Potentiometer None of these Imhoff Cone Turbid meter Potentiometer None of these Imhoff Cone ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The most dangerous pollutant in vehicular emissions is CO₂ O₂ CO₂ SO₂ CO₂ O₂ CO₂ SO₂ ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS