Waste Water Engineering The detention time (t) of a settling tank, may be defined as the time required for The flow of sewage to fill the tank None of these A particle to travel along its length A particle to travel from top surface to bottom sludge zone The flow of sewage to fill the tank None of these A particle to travel along its length A particle to travel from top surface to bottom sludge zone ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Kjeldahl nitrogen is a mixture of Ammonia and nitrogen Organic nitrogen and ammonia All listed here Nitrogen and organic nitrogen Ammonia and nitrogen Organic nitrogen and ammonia All listed here Nitrogen and organic nitrogen ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the pH value of sewage is 7 It is acidic It is alkaline It is neutral None of these It is acidic It is alkaline It is neutral None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The average temperature of sewage in India, is 10°C 25°C 15°C 20°C 10°C 25°C 15°C 20°C 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 0.20 cumec 0.15 cumec 0.12 cumec 0.10 cumec 0.20 cumec 0.15 cumec 0.12 cumec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In a sludge digestion tank if the moisture content of sludge V1 litres is reduced from p1 % to p2 % the volume V2 is [(100 + P1)/(100 – P2)] V1 [(100 + P2)/(100 – P1)] V1 [(100 – P1)/(100 + P2)] V1 [(100 – P1)/(100 – P2)] V1 [(100 + P1)/(100 – P2)] V1 [(100 + P2)/(100 – P1)] V1 [(100 – P1)/(100 + P2)] V1 [(100 – P1)/(100 – P2)] V1 ANSWER DOWNLOAD EXAMIANS APP
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