Waste Water Engineering For sewer mains of 0.5 to 1 m diameter, the ratio of maximum daily sewage flow to the average daily sewage flow is assumed 2.5 1.5 2 3 2.5 1.5 2 3 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The detention time of a circular tank of diameter d and water depth H, for receiving the sewage Q per hour, is d² (0.011d + 0.785H)/Q d (0.022d + 0.085H)/Q d (0.285d + 0.011H)/Q d (0.785d + 0.011H)/Q d² (0.011d + 0.785H)/Q d (0.022d + 0.085H)/Q d (0.285d + 0.011H)/Q d (0.785d + 0.011H)/Q ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The normal value of over flow rates for plain primary sedimentation tanks, ranges between 50,000 to 60,000 litres/sqm/day 80,000 to 100,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day 25,000 to 35,000 litres/sqm/day 50,000 to 60,000 litres/sqm/day 80,000 to 100,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day 25,000 to 35,000 litres/sqm/day ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Antisyphonage pipe is fitted At the end of septic tanks At the beginning of sewer line With a W.'trap On manholes At the end of septic tanks At the beginning of sewer line With a W.'trap On manholes ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A nuisance is experienced in diluting water if dilution factor is less than 20 100 60 40 20 100 60 40 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The minimum recommended diameter of sewers, is 20 cm 15 cm 5 cm 10 cm 20 cm 15 cm 5 cm 10 cm ANSWER DOWNLOAD EXAMIANS APP
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