Waste Water Engineering The detention time of a circular tank of diameter d and water depth H, for receiving the sewage Q per hour, is d (0.785d + 0.011H)/Q d (0.022d + 0.085H)/Q d² (0.011d + 0.785H)/Q d (0.285d + 0.011H)/Q d (0.785d + 0.011H)/Q d (0.022d + 0.085H)/Q d² (0.011d + 0.785H)/Q d (0.285d + 0.011H)/Q ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The average temperature of sewage in India, is 20°C 15°C 25°C 10°C 20°C 15°C 25°C 10°C ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering During preliminary treatment of a sewage Floating materials are removed by screening All listed here Oil and grease are removed from skimming tanks Girt and sand are removed by girt chambers Floating materials are removed by screening All listed here Oil and grease are removed from skimming tanks Girt and sand are removed by girt chambers ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The drop man holes are generally provided in sewers for Hilly town ships Industrial areas Large town ships Cities in plains Hilly town ships Industrial areas Large town ships Cities in plains 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 = 418 (Gs – Gw)d² [(3T + 70)/100] Vs = 418 (Gs – Gw) d [(3T + 70)/100] Vs = 218 (Gs – Gw)d² [(3T + 70)/100] Vs = 218 (Gs – Gw)d [(3T + 70)/100] Vs = 418 (Gs – Gw)d² [(3T + 70)/100] Vs = 418 (Gs – Gw) d [(3T + 70)/100] Vs = 218 (Gs – Gw)d² [(3T + 70)/100] Vs = 218 (Gs – Gw)d [(3T + 70)/100] ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For design of sewers, percentage of sewage discharge is assumed 70 to 75% 0.85 65 to 70% 75 to 80% 70 to 75% 0.85 65 to 70% 75 to 80% ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS