Waste Water Engineering No treatment of the sewage is given if dilution factor is Between 150 to 200 Less than 150 More than 500 Between 200 to 300 Between 150 to 200 Less than 150 More than 500 Between 200 to 300 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The width of a settling tank with 2 hour detention period for treating sewage 378 cu m per hour, is 6.5 m 5 m 5.5 m 7 m 6.5 m 5 m 5.5 m 7 m 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 15 cumecs, the depth d and width are related by For drains up to d = 0.2 B d = 0.5 B B = 0.5 d B = 0.2 d d = 0.2 B d = 0.5 B B = 0.5 d B = 0.2 d ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The intensity of rain is expressed in None of these cm/day cm/hour cm/minute None of these cm/day cm/hour cm/minute ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewers Must flow under gravity ½ to ¾ full Must be of adequate size to avoid over flow Must be laid at least 2 to 3 m deep to collect /water from the basements All listed here Must flow under gravity ½ to ¾ full Must be of adequate size to avoid over flow Must be laid at least 2 to 3 m deep to collect /water from the basements All listed here ANSWER DOWNLOAD EXAMIANS APP
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