Waste Water Engineering The flow velocity in detritus tanks is None of these 0.09 m/sec 1.25 m/sec 0.05 m/sec None of these 0.09 m/sec 1.25 m/sec 0.05 m/sec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For design purposes, the normal rate of infiltration of ground water into the sewer, is 500 litres/km/cm 2000 litres/km/cm 1000 litres/km/cm 1500 litres/km/cm 500 litres/km/cm 2000 litres/km/cm 1000 litres/km/cm 1500 litres/km/cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For efficient working of a sewer, it must be ensured that Both (A) and (B) A maximum velocity of 0.90 m/sec, is maintained at its maximum flow Neither (A) nor (B) Minimum velocity of 0.45 m/sec, is maintained at its minimum flow Both (A) and (B) A maximum velocity of 0.90 m/sec, is maintained at its maximum flow Neither (A) nor (B) Minimum velocity of 0.45 m/sec, is maintained at its minimum flow 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 250 ppm 225 ppm 200 ppm None of these 250 ppm 225 ppm 200 ppm None of these ANSWER DOWNLOAD EXAMIANS APP
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 30 minutes 1 hour and 30 minutes 1 hour 2 hours 30 minutes 1 hour and 30 minutes 1 hour ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The grit chambers of sewage treatment plants, are generally cleaned after 7 days 2 days 12 days 14 days 7 days 2 days 12 days 14 days ANSWER DOWNLOAD EXAMIANS APP
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