Waste Water Engineering Which one of the following gases is most significant as air pollutant? Carbondioxide Oxygen Sulphur-dioxide Nitrogen Carbondioxide Oxygen Sulphur-dioxide Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewer which collects the discharge from a collecting system and delivers it to a treatment plant, is known Sewer outfall Lateral sewer Branch sewer House sewer Sewer outfall Lateral sewer Branch sewer House sewer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewage treatment in septic tanks is due to Anaerobic decomposition Aerobic decomposition Parasitic decomposition None of these Anaerobic decomposition Aerobic decomposition Parasitic decomposition None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If 2% solution of a sewage sample is incubated for 5 days at 20°C and depletion of oxygen was found to be 5 ppm, B.O.D. of the sewage is 225 ppm 250 ppm None of these 200 ppm 225 ppm 250 ppm None of these 200 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering depends upon The Chezy’s constant C in the formula V = C All listed here Size of the sewer Roughness of sewer surface Shape of the sewer All listed here Size of the sewer Roughness of sewer surface Shape of the sewer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The rate of accumulation of sludge per person per year, is 25 litres 20 litres 15 litres 10 litres 25 litres 20 litres 15 litres 10 litres ANSWER DOWNLOAD EXAMIANS APP
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