Waste Water Engineering In a trickling filter Filtration process is used Biological action is used Neither A nor B Both A and B Filtration process is used Biological action is used Neither A nor B Both A and B ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The amount of oxygen consumed by the aerobic bacterias which cause the aerobic biological decomposition of sewage, is known Chemical Oxygen Demand (C.O.D.) Dissolved Oxygen (D.O.) None of these Bio-Chemical Oxygen Demand (B.O.D.) Chemical Oxygen Demand (C.O.D.) Dissolved Oxygen (D.O.) None of these Bio-Chemical Oxygen Demand (B.O.D.) ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Ventilating shafts are provided to a sewer line at every 150 m 300 m 200 m 100 m 150 m 300 m 200 m 100 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The effluent of a septic tank is Foul and contains dissolved and suspended solids None of these Fit for discharge into any open drain As good as that from a complete treatment Foul and contains dissolved and suspended solids None of these Fit for discharge into any open drain As good as that from a complete treatment ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The detention time (t) of a settling tank, may be defined as the time required for A particle to travel from top surface to bottom sludge zone None of these A particle to travel along its length The flow of sewage to fill the tank A particle to travel from top surface to bottom sludge zone None of these A particle to travel along its length The flow of sewage to fill the tank ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering At the junction of sewers Tops of both the sewers are at the same level Top of smaller sewer is kept lower Top of larger sewer is kept lower None of these Tops of both the sewers are at the same level Top of smaller sewer is kept lower Top of larger sewer is kept lower None of these ANSWER DOWNLOAD EXAMIANS APP
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