Waste Water Engineering Disposal to sewage in large cities, is done in Irrigation Purification Dilution Oxidation Irrigation Purification Dilution Oxidation ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In normal conditions, the period for sludge digestion, is 60 days 10 days 30 days 20 days 60 days 10 days 30 days 20 days ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewers designed with self cleansing velocity, The bottom is scoured The bottom is silted Both silting and scouring occur at the bottom Neither silting nor scouring occurs at the bottom The bottom is scoured The bottom is silted Both silting and scouring occur at the bottom Neither silting nor scouring occurs at the bottom 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 200 ppm 250 ppm 225 ppm None of these 200 ppm 250 ppm 225 ppm None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewers All listed here Must be laid at least 2 to 3 m deep to collect /water from the basements Must flow under gravity ½ to ¾ full Must be of adequate size to avoid over flow All listed here Must be laid at least 2 to 3 m deep to collect /water from the basements Must flow under gravity ½ to ¾ full Must be of adequate size to avoid over flow ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The density of population over 40 hectares is 250/hectare. If water supply demand per day is 200 litres and sewage discharge is 80% of water supply, the sewage flow in sewers of separate system, is 0.05556 cumec 0.0556 cumec 0.05554 cumec 0.05552 cumec 0.05556 cumec 0.0556 cumec 0.05554 cumec 0.05552 cumec ANSWER DOWNLOAD EXAMIANS APP
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