Waste Water Engineering A manhole is generally provided at each Change of gradient All of these Junction Bend Change of gradient All of these Junction Bend ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For design of sewers, percentage of sewage discharge is assumed 65 to 70% 0.85 70 to 75% 75 to 80% 65 to 70% 0.85 70 to 75% 75 to 80% ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In a trickling filter Biological action is used Both A and B Filtration process is used Neither A nor B Biological action is used Both A and B Filtration process is used Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
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 A particle to travel along its length The flow of sewage to fill the tank A particle to travel from top surface to bottom sludge zone None of these A particle to travel along its length The flow of sewage to fill the tank ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the depletion of oxygen is found to be 2.5 mg/litre after incubating 2.5 ml of sewage diluted to 250 ml for 5 days at 20°C, B.O.D. of the sewage is 50 mg/l 100 mg/l 150 mg/l 250 mg/l 50 mg/l 100 mg/l 150 mg/l 250 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the diameter of sewer is 225 mm, the gradient required for generating self cleansing velocity, is None of these 1 in 60 1 in 120 1 in 100 None of these 1 in 60 1 in 120 1 in 100 ANSWER DOWNLOAD EXAMIANS APP
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