Waste Water Engineering In trickling filter, B.O.D. is reduced to 40 to 60% 80 to 90% 60 to 80% 30 to 40% 40 to 60% 80 to 90% 60 to 80% 30 to 40% ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A five day B.O.D. at 15°C of the sewage of a town is 100 kg/day. If the 5 day B.O.D. per head at 15°C for standard sewage is 0.1 kg/day, the population equivalent is 100 10000 5000 1000 100 10000 5000 1000 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The rate of accumulation of sludge per person per year, is 20 litres 10 litres 15 litres 25 litres 20 litres 10 litres 15 litres 25 litres ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In primary sedimentation, the 0.2 mm inorganic solids get separated if specific gravity is 2.5 2.55 2.65 2.25 2.5 2.55 2.65 2.25 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering House connections to the laterals is generally made by Cast iron Glazed stonewares R.C.C. P.C.C. Cast iron Glazed stonewares R.C.C. P.C.C. 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 30 minutes 1 hour 1 hour and 30 minutes 2 hours 30 minutes 1 hour 1 hour and 30 minutes 2 hours ANSWER DOWNLOAD EXAMIANS APP
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