Waste Water Engineering Sewer ventilating columns are generally placed at Every change in the size of sewers Distances 150 m to 300 m Upper ends of branch sewers All listed here Every change in the size of sewers Distances 150 m to 300 m Upper ends of branch sewers All listed here ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Dry water flow in a combined sewer, is Industrial sewage Inclusive of domestic and industrial sewage but excludes storm water Domestic sewage Storm water Industrial sewage Inclusive of domestic and industrial sewage but excludes storm water Domestic sewage Storm water ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The minimum diameter of a sewer is kept 25 cm 10 cm 15 cm 20 cm 25 cm 10 cm 15 cm 20 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering ¾th or ¼th extra space is left in sewer pipes at maximum discharge for Large scale infiltration of storm water All listed here Unexpected increase in population Low estimates of the average and maximum flows Large scale infiltration of storm water All listed here Unexpected increase in population Low estimates of the average and maximum flows ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Hazen’s formula VS = 418 (GS – Gw)d [(3T + 70)/100] is used for the settlement velocity of the particles of diameter Less than 0.05 mm Greater than 0.1 mm Less than 0.1 mm Less than 0.01 mm Less than 0.05 mm Greater than 0.1 mm Less than 0.1 mm Less than 0.01 mm ANSWER DOWNLOAD EXAMIANS APP
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 120 cm 110 cm 100 cm 150 cm 120 cm 110 cm 100 cm 150 cm ANSWER DOWNLOAD EXAMIANS APP
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