Waste Water Engineering As compared to fresh river water, sea water contains oxygen 20% less 10% less 10% more 20% more 20% less 10% less 10% more 20% more ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewers designed with self cleansing velocity, 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 The bottom is scoured ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Dilution method of disposing of sewage, is not preferred to When the diluting water is having flow currents When diluting water has high dissolved oxygen content When diluting water is used for water supply near the point of sewage disposed When sewage is fresh When the diluting water is having flow currents When diluting water has high dissolved oxygen content When diluting water is used for water supply near the point of sewage disposed When sewage is fresh ANSWER DOWNLOAD EXAMIANS APP
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 50 ppm 200 ppm 150 ppm 100 ppm 50 ppm 200 ppm 150 ppm 100 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The following is the physical characteristic of sewage Odour Colour All listed here Turbidity Odour Colour All listed here Turbidity ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For a grit chamber, if the recommended velocity of flow is 0.2 m/sec and detention period is 2 minutes, the length of the tank, is 16 m 20 m 30 m 24 m 16 m 20 m 30 m 24 m ANSWER DOWNLOAD EXAMIANS APP
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