Waste Water Engineering The rate of accumulation of sludge in septic tanks is recommended as 25 litres/person/year 25 litres/person/month 30 litres/person/month 30 litres/person/year 25 litres/person/year 25 litres/person/month 30 litres/person/month 30 litres/person/year 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 Sulphuric acid and napthamine None of these Potassium permanganate Phenol-di -sulphuric acid potassium hydroxide Sulphuric acid and napthamine None of these Potassium permanganate ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewer which received discharge from two or more main sewers, is known as A main sewer An intercepting sewer A trunk sewer An outfall sewer A main sewer An intercepting sewer A trunk sewer An outfall sewer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If a 2% solution of sewage sample is incubated for 5 days at 20°C and the dissolved oxygen depletion was found to be 8 mg/l. The BOD of the sewage is 200 mg/l 100 mg/l 400 mg/l 300 mg/l 200 mg/l 100 mg/l 400 mg/l 300 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The minimum recommended diameter of sewers, is 5 cm 20 cm 10 cm 15 cm 5 cm 20 cm 10 cm 15 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For treating the sewage of a large city, you will recommend Sedimentation tanks with high rate trickling filters None of these A plant consisting of Imhoff tanks with low rate trickling filters A sedimentation tank and an activated sludge treatment plant Sedimentation tanks with high rate trickling filters None of these A plant consisting of Imhoff tanks with low rate trickling filters A sedimentation tank and an activated sludge treatment plant ANSWER DOWNLOAD EXAMIANS APP
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