Waste Water Engineering In olden days the type of section adopted in trunk and out fall sewers was Egg shaped Parabolic shaped Horse shoe shaped Circular shaped Egg shaped Parabolic shaped Horse shoe shaped Circular shaped 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 0.20 cumec 0.10 cumec 0.15 cumec 0.12 cumec 0.20 cumec 0.10 cumec 0.15 cumec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The intensity of rain is expressed in cm/day None of these cm/minute cm/hour cm/day None of these cm/minute cm/hour ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For detecting the nitrates in sewage, the colour may be developed by adding None of these Sulphuric acid and napthamine Phenol-di -sulphuric acid and potassium hydroxide Potassium permanganate None of these Sulphuric acid and napthamine Phenol-di -sulphuric acid and potassium hydroxide Potassium permanganate ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In detritus tanks, Flow velocity is kept 0.09 m/sec Organic and inorganic materials are separated Detention period is kept 3 to 4 minutes All listed here Flow velocity is kept 0.09 m/sec Organic and inorganic materials are separated Detention period is kept 3 to 4 minutes All listed here ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The settling velocity of the particles larger than 0.06 mm in a settling tank of depth 2.4 is 0.33 m per sec. The detention period recommended for the tank, is 2 hours 1 hour 1 hour and 30 minutes 30 minutes 2 hours 1 hour 1 hour and 30 minutes 30 minutes ANSWER DOWNLOAD EXAMIANS APP