Waste Water Engineering Imhoff cone is used to measure Total solids Total organic solids Settleable solids Total in organic solids Total solids Total organic solids Settleable solids Total in organic solids ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering As compared to fresh river water, sea water contains oxygen 20% less 20% more 10% more 10% less 20% less 20% more 10% more 10% less 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 Dissolved Oxygen (D.O.) Chemical Oxygen Demand (C.O.D.) Bio-Chemical Oxygen Demand (B.O.D.) None of these Dissolved Oxygen (D.O.) Chemical Oxygen Demand (C.O.D.) Bio-Chemical Oxygen Demand (B.O.D.) None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the pH value of sewage is 7 It is neutral None of these It is alkaline It is acidic It is neutral None of these It is alkaline It is acidic ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The minimum diameter of a sewer is kept 20 cm 15 cm 25 cm 10 cm 20 cm 15 cm 25 cm 10 cm 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 0.15 cumec 0.12 cumec 0.20 cumec 0.10 cumec 0.15 cumec 0.12 cumec 0.20 cumec 0.10 cumec ANSWER DOWNLOAD EXAMIANS APP
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