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.) Bio-Chemical Oxygen Demand (B.O.D.) None of these Chemical Oxygen Demand (C.O.D.) Dissolved Oxygen (D.O.) Bio-Chemical Oxygen Demand (B.O.D.) None of these Chemical Oxygen Demand (C.O.D.) ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Fresh sewage may become stale in Two to three hours Six hours Three to four hours One hour Two to three hours Six hours Three to four hours One hour ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For house drainage minimum gradient is 1 in 60 1 in 400 1 in 10 1 in 80 1 in 60 1 in 400 1 in 10 1 in 80 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Before discharging the foul sewage into rivers, it is generally treated by Sedimentation Screening All listed here Oxidation Sedimentation Screening All listed here Oxidation ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the over land flow from the critical point to the drain is 8 km and the difference in level is 12.4 m, the inlet time is 3 hours 4 hours 2 hours 5 hours 3 hours 4 hours 2 hours 5 hours ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The minimum recommended diameter of sewers, is 5 cm 15 cm 10 cm 20 cm 5 cm 15 cm 10 cm 20 cm ANSWER DOWNLOAD EXAMIANS APP
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