Waste Water Engineering The sewage treatment units in which anaerobic decomposition of organic matter is used, are called Sludge sedimentation tanks None of these Imhoff tanks Trickling filters Sludge sedimentation tanks None of these Imhoff tanks Trickling filters 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 20 cm 50 cm 40 cm 25 cm 20 cm 50 cm 40 cm 25 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewers Must flow under gravity ½ to ¾ full Must be of adequate size to avoid over flow All listed here Must be laid at least 2 to 3 m deep to collect /water from the basements Must flow under gravity ½ to ¾ full Must be of adequate size to avoid over flow All listed here Must be laid at least 2 to 3 m deep to collect /water from the basements ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For treating the sewage of a large city, you will recommend None of these Sedimentation tanks with high rate trickling filters A sedimentation tank and an activated sludge treatment plant A plant consisting of Imhoff tanks with low rate trickling filters None of these Sedimentation tanks with high rate trickling filters A sedimentation tank and an activated sludge treatment plant A plant consisting of Imhoff tanks with low rate trickling filters ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In very first stage of decomposition of the organic matter in sewage Ammonia is formed Nitrates are formed Carbondioxide is formed Nitrites are formed Ammonia is formed Nitrates are formed Carbondioxide is formed Nitrites are formed ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewage discharge in a detritus tank of a treatment plant is 576 litres/sec with flow velocity of 0.2 m/sec. If the ratio of width to depth is 2, the depth is 100 cm 110 cm 120 cm 150 cm 100 cm 110 cm 120 cm 150 cm ANSWER DOWNLOAD EXAMIANS APP
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