Waste Water Engineering Which one of the following gases is most significant as air pollutant? Nitrogen Carbondioxide Oxygen Sulphur-dioxide Nitrogen Carbondioxide Oxygen Sulphur-dioxide ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The angle subtended by the surface of sewer water with partial flow, at sewer centre is 120°, the depth of sewerage is 50 cm 20 cm 25 cm 40 cm 50 cm 20 cm 25 cm 40 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Discrete or granular particles change their Shape Weight None of these Size Shape Weight None of these Size ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If a paper moistened with lead acetate for five minutes when placed in manhole turns black. The sewer certainly contains Oxygen Carbon dioxide Methane Hydrogen sulphide Oxygen Carbon dioxide Methane Hydrogen sulphide ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Sewer ventilating columns are generally placed at Distances 150 m to 300 m Every change in the size of sewers All listed here Upper ends of branch sewers Distances 150 m to 300 m Every change in the size of sewers All listed here Upper ends of branch sewers ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In very first stage of decomposition of the organic matter in sewage Ammonia is formed Carbondioxide is formed Nitrates are formed Nitrites are formed Ammonia is formed Carbondioxide is formed Nitrates are formed Nitrites are formed ANSWER DOWNLOAD EXAMIANS APP