Waste Water Engineering No treatment of the sewage is given if dilution factor is Less than 150 More than 500 Between 150 to 200 Between 200 to 300 Less than 150 More than 500 Between 150 to 200 Between 200 to 300 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Aerobic bacterias All of these Oxidise organic matter in sewage Flourish in the presence of free oxygen Consume organic matter as their food All of these Oxidise organic matter in sewage Flourish in the presence of free oxygen Consume organic matter as their food ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The gas evolved in sewers is Methane Hydrogen sulphide All of these Carbondioxide Methane Hydrogen sulphide All of these Carbondioxide 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.) Bio-Chemical Oxygen Demand (B.O.D.) Dissolved Oxygen (D.O.) None of these Chemical Oxygen Demand (C.O.D.) Bio-Chemical Oxygen Demand (B.O.D.) Dissolved Oxygen (D.O.) None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In trickling filter, B.O.D. is reduced to 80 to 90% 60 to 80% 40 to 60% 30 to 40% 80 to 90% 60 to 80% 40 to 60% 30 to 40% ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Design period of 40 to 50 years is adopted for Main sewers Branch sewers Trunk sewers All listed here Main sewers Branch sewers Trunk sewers All listed here ANSWER DOWNLOAD EXAMIANS APP