Waste Water Engineering If the depletion of oxygen is found to be 5 ppm after incubating a 2.5% solution of sewage sample for 5 days at 21°C, B.O.D. of the sewage is 150 ppm 200 ppm 100 ppm 50 ppm 150 ppm 200 ppm 100 ppm 50 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Water content of sewage is about 0.999 0.99 0.95 0.9 0.999 0.99 0.95 0.9 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A nuisance is experienced in diluting water if dilution factor is less than 60 40 100 20 60 40 100 20 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The gradient of sewers depends upon Discharge Velocity of flow All listed here Diameter of the sewer Discharge Velocity of flow All listed here Diameter of the sewer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Aerobic bacterias Oxidise organic matter in sewage All of these Consume organic matter as their food Flourish in the presence of free oxygen Oxidise organic matter in sewage All of these Consume organic matter as their food Flourish in the presence of free oxygen ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A rainfall may be classified as acidic if its pH value is less or equal to 5 6 7 6.5 5 6 7 6.5 ANSWER DOWNLOAD EXAMIANS APP
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