Waste Water Engineering If the diameter of a sewer is 100 mm, the gradient required for generating self cleansing velocity is 1 in 120 1 in 60 1 in 100 None of these 1 in 120 1 in 60 1 in 100 None of these 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 0.10 cumec 0.20 cumec 0.12 cumec 0.15 cumec 0.10 cumec 0.20 cumec 0.12 cumec 0.15 cumec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The use of coarse screens for the disposal of sewage, may be dispensed with by Both A and B Comminutor Shredder Neither A nor B Both A and B Comminutor Shredder Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewage is pumped up All listed here From flat areas From basements From low lying areas All listed here From flat areas From basements From low lying areas ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering R.M.O. expenses include Operation expenses Running expenses Maintenance expenses All of these Operation expenses Running expenses Maintenance expenses All of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Before discharging the foul sewage into rivers, it is generally treated by Sedimentation Screening All listed here Oxidation Sedimentation Screening All listed here Oxidation ANSWER DOWNLOAD EXAMIANS APP
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