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 110 cm 120 cm 150 cm 100 cm 110 cm 120 cm 150 cm 100 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Inter-distance between ventilation columns in a sewer line is kept 100 m to 150 m 150 m to 300 m 25 to 50 m 50 m to 100 m 100 m to 150 m 150 m to 300 m 25 to 50 m 50 m to 100 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In circular sewers if depth of flow is 0.2 times the full depth, the nominal gradient, Is not enough Is doubled Is only provided Is trebled Is not enough Is doubled Is only provided Is trebled ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The bottom of the sewage inlet chamber of septic tanks, is provided an outward slope 1 in 5 1 in 20 1 in 10 1 in 15 1 in 5 1 in 20 1 in 10 1 in 15 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Sewer pipes are designed for maximum discharge with 25% to 33% vacant cross-sectional area for Under estimates of maximum and average flows All of these Unexpected increase in the population Unexpected large scale infiltration of stream water Under estimates of maximum and average flows All of these Unexpected increase in the population Unexpected large scale infiltration of stream water ANSWER DOWNLOAD EXAMIANS APP
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