Waste Water Engineering 15 cumecs, the depth d and width are related by For drains up to B = 0.2 d d = 0.5 B d = 0.2 B B = 0.5 d B = 0.2 d d = 0.5 B d = 0.2 B B = 0.5 d 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 150 cm 100 cm 120 cm 110 cm 150 cm 100 cm 120 cm 110 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The drainage area of a town is 12 hectares. Its 40% area is hard pavement ( K = 0.85), the 40% area is unpaved streets (K = 0.20) and the remaining is wooded areas (K = 0.15). Assuming the time of concentration for the areas as 30 minutes and using the formula Ps = 900/(t + 60) the maximum run off is 0.12 cumec 0.15 cumec 0.20 cumec 0.10 cumec 0.12 cumec 0.15 cumec 0.20 cumec 0.10 cumec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The clarigesters are Circular septic tanks Circular Imhoff double tanks with bottom hoppers Circular Imhoff double storey tanks without bottom hoppers Rectangular septic tanks Circular septic tanks Circular Imhoff double tanks with bottom hoppers Circular Imhoff double storey tanks without bottom hoppers Rectangular septic tanks 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 100 mg/l 400 mg/l 200 mg/l 300 mg/l 100 mg/l 400 mg/l 200 mg/l 300 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For trunk sewers more than 1.25 m in diameter, the ratio of the maximum daily sewage flow to the average daily sewage flow is assumed 1.5 3 2 2.5 1.5 3 2 2.5 ANSWER DOWNLOAD EXAMIANS APP
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