Waste Water Engineering In a grit chamber of a sewage treatment plant, One minute of detention period is kept Flow velocity 0.15 m to 0.3 m/sec is kept Depth of 0.9 m to 1.20 m is kept All of these One minute of detention period is kept Flow velocity 0.15 m to 0.3 m/sec is kept Depth of 0.9 m to 1.20 m is kept All of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The standard B.O.D. of water is taken for 1 day 5 days 3 days 2 days 1 day 5 days 3 days 2 days ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The rate of accumulation of sludge per person per year, is 10 litres 15 litres 20 litres 25 litres 10 litres 15 litres 20 litres 25 litres ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In primary sedimentation, the 0.2 mm inorganic solids get separated if specific gravity is 2.65 2.55 2.25 2.5 2.65 2.55 2.25 2.5 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Cement concrete sewers are only suitable if non-scouring velocity is between 2.5 to 3.0 m/sec 3.0 to 4.0 m/sec 3.5 to 4.5 m/sec 4.5 to 5.5 m/sec 2.5 to 3.0 m/sec 3.0 to 4.0 m/sec 3.5 to 4.5 m/sec 4.5 to 5.5 m/sec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For detecting the nitrites in the sewage, the matching colour may be developed by adding Phenol-di -sulphuric acid potassium hydroxide None of these Potassium permanganate Sulphuric acid and napthamine Phenol-di -sulphuric acid potassium hydroxide None of these Potassium permanganate Sulphuric acid and napthamine ANSWER DOWNLOAD EXAMIANS APP
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