Waste Water Engineering In olden days the type of section adopted in trunk and out fall sewers was Egg shaped Circular shaped Parabolic shaped Horse shoe shaped Egg shaped Circular shaped Parabolic shaped Horse shoe shaped ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Sewer ventilating columns are generally placed at Upper ends of branch sewers Every change in the size of sewers Distances 150 m to 300 m All listed here Upper ends of branch sewers Every change in the size of sewers Distances 150 m to 300 m All listed here ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Depletion of ozone layer in the outer atmosphere may cause Bronchitis Skin cancer Heart disorder Lung cancer Bronchitis Skin cancer Heart disorder Lung cancer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the flame of a miner's safety lamp in the upper layers of the sewer forms an explosive, the sewer certainly contains Methane Carbon dioxide Oxygen Hydrogen sulphide Methane Carbon dioxide Oxygen Hydrogen sulphide 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 Bio-Chemical Oxygen Demand (B.O.D.) Chemical Oxygen Demand (C.O.D.) None of these Dissolved Oxygen (D.O.) Bio-Chemical Oxygen Demand (B.O.D.) Chemical Oxygen Demand (C.O.D.) None of these Dissolved Oxygen (D.O.) ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Dried sewage after treatment is used as Fertilizer Chemical for lowering B.O.D. Building material Base material for paints Fertilizer Chemical for lowering B.O.D. Building material Base material for paints ANSWER DOWNLOAD EXAMIANS APP
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