Waste Water Engineering The formula which accepts the value of rugosity coefficient n = 0.012 to be used in Manning’s formula, is given by Crimp and Bruges William-Hazen Kutter Bazin Crimp and Bruges William-Hazen Kutter Bazin ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewer which resists sulphide corrosion, is Lead sewer R.C. sewer Cast iron sewer Brick sewer Lead sewer R.C. sewer Cast iron sewer Brick sewer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the flame of a miner's safety lamp in the upper layers of the sewer forms an explosive, the sewer certainly contains Methane Oxygen Carbon dioxide Hydrogen sulphide Methane Oxygen Carbon dioxide Hydrogen sulphide ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Sludge banks are formed if sewage is disposed of in Rivers None of these Seas Lakes Rivers None of these Seas Lakes 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 0.20 cumec 0.12 cumec 0.10 cumec 0.15 cumec 0.20 cumec 0.12 cumec 0.10 cumec 0.15 cumec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Aerobic bacterias Flourish in the presence of free oxygen All of these Consume organic matter as their food Oxidise organic matter in sewage Flourish in the presence of free oxygen All of these Consume organic matter as their food Oxidise organic matter in sewage ANSWER DOWNLOAD EXAMIANS APP
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