Waste Water Engineering The detention time (t) of a settling tank, may be defined as the time required for A particle to travel from top surface to bottom sludge zone None of these The flow of sewage to fill the tank A particle to travel along its length A particle to travel from top surface to bottom sludge zone None of these The flow of sewage to fill the tank A particle to travel along its length ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The detention period for plain sedimentation water tanks, is usually 8 to 16 hours 4 to 8 hours 24 to 36 hours 16 to 24 hours 8 to 16 hours 4 to 8 hours 24 to 36 hours 16 to 24 hours 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 400 mg/l 100 mg/l 200 mg/l 300 mg/l 400 mg/l 100 mg/l 200 mg/l 300 mg/l 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 Storm water Domestic sewage Industrial sewage Inclusive of domestic and industrial sewage but excludes storm water Storm water Domestic sewage ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering ¾th or ¼th extra space is left in sewer pipes at maximum discharge for Unexpected increase in population Large scale infiltration of storm water All listed here Low estimates of the average and maximum flows Unexpected increase in population Large scale infiltration of storm water All listed here Low estimates of the average and maximum flows ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For drainage pipes in buildings the test applied before putting them to use, is Water test Straightness test All listed here Smoke test Water test Straightness test All listed here Smoke test ANSWER DOWNLOAD EXAMIANS APP
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