Waste Water Engineering For detecting the nitrites in the sewage, the matching colour may be developed by adding Phenol-di -sulphuric acid potassium hydroxide Potassium permanganate None of these Sulphuric acid and napthamine Phenol-di -sulphuric acid potassium hydroxide Potassium permanganate None of these Sulphuric acid and napthamine 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 0.12 cumec 0.15 cumec 0.10 cumec 0.20 cumec 0.12 cumec 0.15 cumec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The maximum spacing of manholes specified by Indian standard in sewers upto 0.3 m diameter is 20 m 45 m 30 m 75 m 20 m 45 m 30 m 75 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For the survival of fish in a river stream, the minimum dissolved oxygen is prescribed 5 ppm 3 ppm 4 ppm 10 ppm 5 ppm 3 ppm 4 ppm 10 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In R.C. sewer pipes, the percentage longitudinal reinforcement to the cross-sectional area of concrete is kept 5 10 2 0.25 5 10 2 0.25 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If q is the average sewage flow from a city of population P, the maximum sewage flow Q = [(18 + P)/(4 + )] q Q = [(4 + )/(18 + )] q Q = [(18 + )/(4 + )] q Q = [(5 + )/((15 + )] q Q = [(18 + P)/(4 + )] q Q = [(4 + )/(18 + )] q Q = [(18 + )/(4 + )] q Q = [(5 + )/((15 + )] q ANSWER DOWNLOAD EXAMIANS APP
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