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 None of these 225 ppm 250 ppm 200 ppm None of these 225 ppm 250 ppm 200 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The gas which may cause explosion in sewers, is Methane Carbondioxide Carbon monoxide Ammonia Methane Carbondioxide Carbon monoxide Ammonia ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For design of sewers, percentage of sewage discharge is assumed 0.85 70 to 75% 65 to 70% 75 to 80% 0.85 70 to 75% 65 to 70% 75 to 80% ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewage, the solids in mg per litre is 500 to 1000 1000 to 1500 1500 to 2000 100 to 500 500 to 1000 1000 to 1500 1500 to 2000 100 to 500 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering To maintain aerobic biological activity, the moisture content of the compost mass should be about 0.45 0.5 0.6 0.55 0.45 0.5 0.6 0.55 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The asbestos cement sewers are Susceptible to corrosion by sulphuric acid Not structurally strong to bear large compressive stress Light in weight All of these Susceptible to corrosion by sulphuric acid Not structurally strong to bear large compressive stress Light in weight All of these ANSWER DOWNLOAD EXAMIANS APP
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