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 0.05554 cumec 0.0556 cumec 0.05552 cumec 0.05556 cumec 0.05554 cumec 0.0556 cumec 0.05552 cumec 0.05556 cumec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the diameter of a sewer is 100 mm, the gradient required for generating self cleansing velocity is 1 in 120 1 in 60 None of these 1 in 100 1 in 120 1 in 60 None of these 1 in 100 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewage treatment units in which anaerobic decomposition of organic matter is used, are called Trickling filters Sludge sedimentation tanks Imhoff tanks None of these Trickling filters Sludge sedimentation tanks Imhoff tanks None of these 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 0.10 cumec 0.15 cumec 0.12 cumec 0.20 cumec 0.10 cumec 0.15 cumec 0.12 cumec 0.20 cumec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The self-cleansing velocity of water flowing through pipe lines, is 0.25 metre/sec 2 metres/sec 0.5 metre/sec 1 metre/sec 0.25 metre/sec 2 metres/sec 0.5 metre/sec 1 metre/sec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If is the diameter of upper circular portion, the overall depth of a standard egg shaped section, is 1.25 D 1.5 D 1.75 D 1.15 D 1.25 D 1.5 D 1.75 D 1.15 D ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS