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
Waste Water Engineering The gas which may cause explosion in sewers, is Methane Carbon monoxide Carbondioxide Ammonia Methane Carbon monoxide Carbondioxide Ammonia ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Cement concrete sewers are only suitable if non-scouring velocity is between 4.5 to 5.5 m/sec 3.0 to 4.0 m/sec 2.5 to 3.0 m/sec 3.5 to 4.5 m/sec 4.5 to 5.5 m/sec 3.0 to 4.0 m/sec 2.5 to 3.0 m/sec 3.5 to 4.5 m/sec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Fresh sewage may become stale in Two to three hours Three to four hours Six hours One hour Two to three hours Three to four hours Six hours One hour ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Water content of sewage is about 0.95 0.999 0.99 0.9 0.95 0.999 0.99 0.9 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 = [(5 + )/((15 + )] q Q = [(18 + P)/(4 + )] q Q = [(4 + )/(18 + )] q Q = [(18 + )/(4 + )] q Q = [(5 + )/((15 + )] q Q = [(18 + P)/(4 + )] q Q = [(4 + )/(18 + )] q Q = [(18 + )/(4 + )] q ANSWER DOWNLOAD EXAMIANS APP
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