Waste Water Engineering The sewage discharge in a detritus tank of a treatment plant is 576 litres/sec with flow velocity of 0.2 m/sec. If the ratio of width to depth is 2, the depth is 150 cm 110 cm 120 cm 100 cm 150 cm 110 cm 120 cm 100 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering pH value of sludge during alkaline regression stage, is More than 7 Less than 6 Less than 7 More than 6 More than 7 Less than 6 Less than 7 More than 6 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewers the gas generally found, is Hydrogen sulphide (H2S) Carbon dioxide (CO2) Methane (CH4) All listed here Hydrogen sulphide (H2S) Carbon dioxide (CO2) Methane (CH4) All listed here ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If a 2% solution of sewage sample is incubated for 5 days at 20°C and the dissolved oxygen depletion was found to be 8 mg/l. The BOD of the sewage is 200 mg/l 100 mg/l 300 mg/l 400 mg/l 200 mg/l 100 mg/l 300 mg/l 400 mg/l ANSWER DOWNLOAD EXAMIANS APP
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 1.36 m 0.88 m 1.76 m 0.68 m 1.36 m 0.88 m 1.76 m 0.68 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewers All listed here Must flow under gravity ½ to ¾ full Must be of adequate size to avoid over flow Must be laid at least 2 to 3 m deep to collect /water from the basements All listed here Must flow under gravity ½ to ¾ full Must be of adequate size to avoid over flow Must be laid at least 2 to 3 m deep to collect /water from the basements ANSWER DOWNLOAD EXAMIANS APP
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