Waste Water Engineering The detention period for plain sedimentation water tanks, is usually 4 to 8 hours 16 to 24 hours 8 to 16 hours 24 to 36 hours 4 to 8 hours 16 to 24 hours 8 to 16 hours 24 to 36 hours ANSWER DOWNLOAD EXAMIANS APP
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 d (0.285d + 0.011H)/Q d² (0.011d + 0.785H)/Q d (0.785d + 0.011H)/Q d (0.022d + 0.085H)/Q d (0.285d + 0.011H)/Q d² (0.011d + 0.785H)/Q ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In detritus tanks, All listed here Flow velocity is kept 0.09 m/sec Organic and inorganic materials are separated Detention period is kept 3 to 4 minutes All listed here Flow velocity is kept 0.09 m/sec Organic and inorganic materials are separated Detention period is kept 3 to 4 minutes ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For non-scouring velocity 5 m/sec, the type of sewers generally preferred to, is Cast iron sewers Glazed bricks sewers Cement concrete sewers Stone ware sewers Cast iron sewers Glazed bricks sewers Cement concrete sewers Stone ware sewers ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The drop man holes are generally provided in sewers for Large town ships Hilly town ships Cities in plains Industrial areas Large town ships Hilly town ships Cities in plains Industrial areas ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In trickling filter, B.O.D. is reduced to 80 to 90% 40 to 60% 60 to 80% 30 to 40% 80 to 90% 40 to 60% 60 to 80% 30 to 40% ANSWER DOWNLOAD EXAMIANS APP
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