Waste Water Engineering The ratio of maximum sewage flow to average sewage flow for mains up to 1 m in diameter, is 4 3 1.5 2 4 3 1.5 2 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering During purification process of sewage the gas given off, is Ammonia Carbon dioxide All listed here Hydrogen Ammonia Carbon dioxide All listed here Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Bio-chemical oxygen demand (BOD) for the first 20 days in generally referred to Initial demand Carbonaceous demand All of these First stage demand Initial demand Carbonaceous demand All of these First stage demand ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Inter-distance between ventilation columns in a sewer line is kept 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 100 m to 150 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For house drainage minimum gradient is 1 in 60 1 in 400 1 in 80 1 in 10 1 in 60 1 in 400 1 in 80 1 in 10 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The drainage area of a town is 12 hectares. Its 40% area is hard pavement ( K = 0.85), the 40% area is unpaved streets (K = 0.20) and the remaining is wooded areas (K = 0.15). Assuming the time of concentration for the areas as 30 minutes and using the formula Ps = 900/(t + 60) the maximum run off is 0.12 cumec 0.15 cumec 0.20 cumec 0.10 cumec 0.12 cumec 0.15 cumec 0.20 cumec 0.10 cumec ANSWER DOWNLOAD EXAMIANS APP
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