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 + )/(4 + )] q Q = [(18 + P)/(4 + )] q Q = [(4 + )/(18 + )] q Q = [(5 + )/((15 + )] q Q = [(18 + )/(4 + )] q Q = [(18 + P)/(4 + )] q Q = [(4 + )/(18 + )] q ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If a paper moistened with lead acetate for five minutes when placed in manhole turns black. The sewer certainly contains Hydrogen sulphide Methane Oxygen Carbon dioxide Hydrogen sulphide Methane Oxygen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Antisyphonage pipe is fitted On manholes At the end of septic tanks With a W.'trap At the beginning of sewer line On manholes At the end of septic tanks With a W.'trap At the beginning of sewer line ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the depletion of oxygen is found to be 2.5 mg/litre after incubating 2.5 ml of sewage diluted to 250 ml for 5 days at 20°C, B.O.D. of the sewage is 50 mg/l 150 mg/l 100 mg/l 250 mg/l 50 mg/l 150 mg/l 100 mg/l 250 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering pH value of sludge during alkaline regression stage, is More than 6 More than 7 Less than 7 Less than 6 More than 6 More than 7 Less than 7 Less than 6 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewers the highest non-scouring velocity is achieved in Glazed bricks sewers Cement concrete sewers Cast iron sewers Stone ware sewers Glazed bricks sewers Cement concrete sewers Cast iron sewers Stone ware sewers ANSWER DOWNLOAD EXAMIANS APP
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