Waste Water Engineering No treatment of the sewage is given if dilution factor is Between 150 to 200 Between 200 to 300 Less than 150 More than 500 Between 150 to 200 Between 200 to 300 Less than 150 More than 500 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For large sewers, maximum distance between manholes may be 300 m 50 m 200 m 100 m 300 m 50 m 200 m 100 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The density of population over 40 hectares is 250/hectare. If water supply demand per day is 200 litres and sewage discharge is 80% of water supply, the sewage flow in sewers of separate system, is 0.05556 cumec 0.05552 cumec 0.0556 cumec 0.05554 cumec 0.05556 cumec 0.05552 cumec 0.0556 cumec 0.05554 cumec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Lead acetate test in sewer manhole is done to test the presence of Diesel vapours Methane gas Carbondioxide gas Hydrogen sulphide Diesel vapours Methane gas Carbondioxide gas Hydrogen sulphide ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering To prevent settling down of sewage both at the bottom and on the sides of a large sewer, self-cleaning velocity recommended for Indian conditions, is 0.70 m/sec 0.50 m/sec 0.60 m/sec 0.75 m/sec 0.70 m/sec 0.50 m/sec 0.60 m/sec 0.75 m/sec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The ratio of maximum sewage flow to average sewage flow for trunk mains having diameters more than 1.25 m, is 2 3 1.5 4 2 3 1.5 4 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS