Waste Water Engineering An inverted siphon is designed generally for Four pipes Two pipes Three pipes One pipe Four pipes Two pipes Three pipes One pipe ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Bio-chemical oxygen demand (BOD) for the first 20 days in generally referred to First stage demand Carbonaceous demand All of these Initial demand First stage demand Carbonaceous demand All of these Initial demand 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 only provided Is trebled Is doubled Is not enough Is only provided Is trebled Is doubled ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A well oxidized sewage contains nitrogen mainly as Free ammonia None of these Nitrates Nitrites Free ammonia None of these Nitrates Nitrites ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The rate of accumulation of sludge per person per year, is 20 litres 15 litres 10 litres 25 litres 20 litres 15 litres 10 litres 25 litres 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 0.10 cumec 0.20 cumec 0.12 cumec 0.15 cumec 0.10 cumec 0.20 cumec ANSWER DOWNLOAD EXAMIANS APP
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