Waste Water Engineering For the survival of fish in a river stream, the minimum dissolved oxygen is prescribed 10 ppm 5 ppm 3 ppm 4 ppm 10 ppm 5 ppm 3 ppm 4 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For sewer mains of 0.5 to 1 m diameter, the ratio of maximum daily sewage flow to the average daily sewage flow is assumed 3 2 1.5 2.5 3 2 1.5 2.5 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 None of these 250 ppm 200 ppm 225 ppm None of these 250 ppm 200 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The gas which may cause explosion in sewers, is Carbondioxide Methane Carbon monoxide Ammonia Carbondioxide Methane Carbon monoxide Ammonia ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The temperature affects the All of these Solubility of gases in sewage Biological activity of bacteria in sewage Viscosity of sewage All of these Solubility of gases in sewage Biological activity of bacteria in sewage Viscosity of sewage ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The pH value of fresh sewage is usually More than 7 Equal to 7 Less than 7 Equal to zero More than 7 Equal to 7 Less than 7 Equal to zero ANSWER DOWNLOAD EXAMIANS APP
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