Waste Water Engineering The sewerage system originates from Main sewers Branch sewers House sewers Lateral sewers Main sewers Branch sewers House sewers Lateral sewers ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Hydraulic mean radius is Difference in heads between two points in circular pipes Cross-sectional area/wetted perimeter Mean radius of sewer Mean of radii in a pipe line of varying cross -sections Difference in heads between two points in circular pipes Cross-sectional area/wetted perimeter Mean radius of sewer Mean of radii in a pipe line of varying cross -sections ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The formula V = (1/n) r2/3 Kutter’s formula Bazin’s formula Manning’s formula Chezy’s formula Kutter’s formula Bazin’s formula Manning’s formula Chezy’s formula ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In a trickling filter Neither A nor B Filtration process is used Both A and B Biological action is used Neither A nor B Filtration process is used Both A and B Biological action is used ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Design period of 40 to 50 years is adopted for Branch sewers Trunk sewers All listed here Main sewers Branch sewers Trunk sewers All listed here Main sewers 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 0.20 cumec 0.12 cumec 0.10 cumec 0.15 cumec 0.20 cumec 0.12 cumec 0.10 cumec 0.15 cumec ANSWER DOWNLOAD EXAMIANS APP
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