Waste Water Engineering When drainage to sewage ratio is 20, the peak dry weather flow is None of these Slightly more than 5% of the design discharge 20% of the design discharge Slightly less than 5% of the design discharge None of these Slightly more than 5% of the design discharge 20% of the design discharge Slightly less than 5% of the design discharge ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewerage system consists of All of these House sewer Lateral sewer Branch sewer All of these House sewer Lateral sewer Branch sewer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If is the rugosity coefficient, is the bed slope of sewer, the velocity of flow in m/sec may be obtained by the formula V = (1/n) r2/3 s1/2 evolved by Manning Chezy Bazin Kutter Manning Chezy Bazin Kutter 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 0.10 cumec 0.20 cumec 0.15 cumec 0.12 cumec 0.10 cumec 0.20 cumec 0.15 cumec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering ¾th or ¼th extra space is left in sewer pipes at maximum discharge for All listed here Unexpected increase in population Large scale infiltration of storm water Low estimates of the average and maximum flows All listed here Unexpected increase in population Large scale infiltration of storm water Low estimates of the average and maximum flows ANSWER DOWNLOAD EXAMIANS APP
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