Waste Water Engineering The settling velocity of the particles larger than 0.06 mm in a settling tank of depth 2.4 is 0.33 m per sec. The detention period recommended for the tank, is 2 hours 1 hour 30 minutes 1 hour and 30 minutes 2 hours 1 hour 30 minutes 1 hour and 30 minutes ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The gradient of sewers depends upon Velocity of flow Diameter of the sewer Discharge All listed here Velocity of flow Diameter of the sewer Discharge All listed here ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Primary treatment of sewage consists of removal of Floating materials Oil and grease Sand and girt Large suspended organic solids Floating materials Oil and grease Sand and girt Large suspended organic solids 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 200 ppm 225 ppm 250 ppm None of these 200 ppm 225 ppm 250 ppm None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The liquid wastes from kitchens, bath rooms and wash basins, is not called None of these Sewage Liquid waste Sullage None of these Sewage Liquid waste Sullage ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Oxidation process results in the formation of All of these Nitrates Carbon dioxide Sulphates All of these Nitrates Carbon dioxide Sulphates ANSWER DOWNLOAD EXAMIANS APP
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