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 100 ppm 150 ppm 200 ppm 50 ppm 100 ppm 150 ppm 200 ppm 50 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The gradient of sewers depends upon Discharge All listed here Diameter of the sewer Velocity of flow Discharge All listed here Diameter of the sewer Velocity of flow ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The digested sludge from septic tanks, is removed after a maximum period of 4 years 3 years 5 years 3.5 years 4 years 3 years 5 years 3.5 years ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering ¾th or ¼th extra space is left in sewer pipes at maximum discharge for All listed here Low estimates of the average and maximum flows Large scale infiltration of storm water Unexpected increase in population All listed here Low estimates of the average and maximum flows Large scale infiltration of storm water Unexpected increase in population ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Sewer pipes need be checked for Both A and B Minimum flow None of these Maximum flow Both A and B Minimum flow None of these Maximum flow ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The algae dies out in the zone of Cleaner water Degradation Active decomposition Recovery Cleaner water Degradation Active decomposition Recovery ANSWER DOWNLOAD EXAMIANS APP
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