Waste Water Engineering A nuisance is experienced in diluting water if dilution factor is less than 20 60 100 40 20 60 100 40 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The drainage area of a town is 12 hectares. Its 40% area is hard pavement ( K = 0.85), the 40% area is unpaved streets (K = 0.20) and the remaining is wooded areas (K = 0.15). Assuming the time of concentration for the areas as 30 minutes and using the formula Ps = 900/(t + 60) the maximum run off is 0.15 cumec 0.12 cumec 0.10 cumec 0.20 cumec 0.15 cumec 0.12 cumec 0.10 cumec 0.20 cumec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If q is the average sewage flow from a city of population P, the maximum sewage flow Q = [(4 + )/(18 + )] q Q = [(5 + )/((15 + )] q Q = [(18 + )/(4 + )] q Q = [(18 + P)/(4 + )] q Q = [(4 + )/(18 + )] q Q = [(5 + )/((15 + )] q Q = [(18 + )/(4 + )] q Q = [(18 + P)/(4 + )] q ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Inter-distance between ventilation columns in a sewer line is kept 150 m to 300 m 100 m to 150 m 50 m to 100 m 25 to 50 m 150 m to 300 m 100 m to 150 m 50 m to 100 m 25 to 50 m ANSWER DOWNLOAD EXAMIANS APP
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 150 ppm 100 ppm 200 ppm 50 ppm 150 ppm 100 ppm 200 ppm 50 ppm 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 5000 10000 1000 100 5000 10000 1000 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS