Waste Water Engineering The width of a rectangular sewer is twice its depth while discharging 1.5 m/sec. The width of the sewer is 1.76 m 1.36 m 0.68 m 0.88 m 1.76 m 1.36 m 0.68 m 0.88 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 50 ppm 150 ppm 200 ppm 100 ppm 50 ppm 150 ppm 200 ppm 100 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The detention time (t) of a settling tank, may be defined as the time required for None of these A particle to travel along its length A particle to travel from top surface to bottom sludge zone The flow of sewage to fill the tank None of these A particle to travel along its length A particle to travel from top surface to bottom sludge zone The flow of sewage to fill the tank ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The discharge per unit plan area of a sedimentation tank, is generally called Over flow rate Surface loading All of these Over flow velocity Over flow rate Surface loading All of these Over flow velocity ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Lead acetate test in sewer manhole is done to test the presence of Carbondioxide gas Methane gas Hydrogen sulphide Diesel vapours Carbondioxide gas Methane gas Hydrogen sulphide Diesel vapours ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The ratio of maximum sewage flow to average sewage flow for mains up to 1 m in diameter, is 4 2 1.5 3 4 2 1.5 3 ANSWER DOWNLOAD EXAMIANS APP
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