Waste Water Engineering Self-cleansing velocity is Velocity of water at flushing Velocity at dry weather flow Velocity at which no accumulation remains in the drains Velocity of water in a pressure filter Velocity of water at flushing Velocity at dry weather flow Velocity at which no accumulation remains in the drains Velocity of water in a pressure filter 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 The standard B.O.D. of water is taken for 3 days 1 day 2 days 5 days 3 days 1 day 2 days 5 days ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In a trickling filter Both A and B Filtration process is used Neither A nor B Biological action is used Both A and B Filtration process is used Neither A nor B Biological action is used ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Pick up the incorrect statement from the following for allowing workers to enter sewers The particular manhole and one manhole on upstream and one manhole on downstream should remain open for 30 minutes Warning signals should be erected Proper tests for the presence of poisonous gases must be carried out The men entering the manhole should be advised to smoke in the sewer The particular manhole and one manhole on upstream and one manhole on downstream should remain open for 30 minutes Warning signals should be erected Proper tests for the presence of poisonous gases must be carried out The men entering the manhole should be advised to smoke in the sewer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In case of sewer lines Water test is carried out to check water tightness of the joints All listed here Obstruction test is carried out with the help of smooth ball of diameter 13 mm Test for straightness is carried out with the help of a lamp and mirror Water test is carried out to check water tightness of the joints All listed here Obstruction test is carried out with the help of smooth ball of diameter 13 mm Test for straightness is carried out with the help of a lamp and mirror ANSWER DOWNLOAD EXAMIANS APP
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