Waste Water Engineering The presence of free ammonia in sewage, is detected by Boiling Adding potassium permanganate Phenol-di-sulphuric acid Adding sulphuric acid Boiling Adding potassium permanganate Phenol-di-sulphuric acid Adding sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Primary treatment of sewage consists of removal of Floating materials Large suspended organic solids Sand and girt Oil and grease Floating materials Large suspended organic solids Sand and girt Oil and grease ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A drop manhole is provided if A branch sewer joins the main sewer at higher level A lamp is inserted to check obstruction None of these A sewer drops from a height A branch sewer joins the main sewer at higher level A lamp is inserted to check obstruction None of these A sewer drops from a height 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 1000 10000 5000 100 1000 10000 5000 100 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewers Must flow under gravity ½ to ¾ full Must be laid at least 2 to 3 m deep to collect /water from the basements All listed here Must be of adequate size to avoid over flow Must flow under gravity ½ to ¾ full Must be laid at least 2 to 3 m deep to collect /water from the basements All listed here Must be of adequate size to avoid over flow ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewers the effect of scouring is more on Bottom side Top side All sides Horizontal side Bottom side Top side All sides Horizontal side ANSWER DOWNLOAD EXAMIANS APP
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