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 None of these 225 ppm 250 ppm 200 ppm None of these 225 ppm 250 ppm 200 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Water content of sewage is about 0.99 0.95 0.999 0.9 0.99 0.95 0.999 0.9 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In detritus tanks, All listed here Flow velocity is kept 0.09 m/sec Detention period is kept 3 to 4 minutes Organic and inorganic materials are separated All listed here Flow velocity is kept 0.09 m/sec Detention period is kept 3 to 4 minutes Organic and inorganic materials are separated ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In case of Imhoff tanks, The shape is rectangular Detention period is 2 hours All of these The velocity of flow is restricted to 0.30 m/minute The shape is rectangular Detention period is 2 hours All of these The velocity of flow is restricted to 0.30 m/minute ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The detention time (t) of a settling tank, may be defined as the time required for A particle to travel along its length A particle to travel from top surface to bottom sludge zone None of these The flow of sewage to fill the tank A particle to travel along its length A particle to travel from top surface to bottom sludge zone None of these The flow of sewage to fill the tank ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If is the diameter of upper circular portion, the overall depth of a standard egg shaped section, is 1.5 D 1.15 D 1.75 D 1.25 D 1.5 D 1.15 D 1.75 D 1.25 D ANSWER DOWNLOAD EXAMIANS APP
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