Waste Water Engineering A rain sanitary sewer is constructed to carry Storm sewage Ground water Sanitary sewage Surface water Storm sewage Ground water Sanitary sewage Surface water ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For sewers, inverted siphon is provided for Two pipes Three pipes One pipe Four pipes Two pipes Three pipes One pipe Four pipes ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The most efficient cross section of sewers in a separate sewerage system is New egged Rectangular Circular Parabolic New egged Rectangular Circular Parabolic 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 0.10 cumec 0.15 cumec 0.12 cumec 0.20 cumec 0.10 cumec 0.15 cumec 0.12 cumec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A circular sewer section is preferred to because It provides maximum hydraulic mean depth It is cheaper in construction All listed here It provides maximum area for a given perimeter It provides maximum hydraulic mean depth It is cheaper in construction All listed here It provides maximum area for a given perimeter ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The settling velocity of a spherical particle of diameter less than 0.1 mm as per Stock’s law, is Vs = 218 (Gs – Gw)d [(3T + 70)/100] Vs = 218 (Gs – Gw)d² [(3T + 70)/100] Vs = 418 (Gs – Gw) d [(3T + 70)/100] Vs = 418 (Gs – Gw)d² [(3T + 70)/100] Vs = 218 (Gs – Gw)d [(3T + 70)/100] Vs = 218 (Gs – Gw)d² [(3T + 70)/100] Vs = 418 (Gs – Gw) d [(3T + 70)/100] Vs = 418 (Gs – Gw)d² [(3T + 70)/100] ANSWER DOWNLOAD EXAMIANS APP
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