Waste Water Engineering The design period in years for pumping plants, is 1 2 to 3 5 to 10 3 to 5 1 2 to 3 5 to 10 3 to 5 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewage treatment units in which anaerobic decomposition of organic matter is used, are called Trickling filters Imhoff tanks None of these Sludge sedimentation tanks Trickling filters Imhoff tanks None of these Sludge sedimentation tanks ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Sludge banks are formed if sewage is disposed of in None of these Seas Lakes Rivers None of these Seas Lakes Rivers 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 0.15 cumec 0.12 cumec 0.10 cumec 0.20 cumec 0.15 cumec 0.12 cumec 0.10 cumec 0.20 cumec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewer which resists sulphide corrosion, is Brick sewer Lead sewer Cast iron sewer R.C. sewer Brick sewer Lead sewer Cast iron sewer R.C. sewer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The screens are fixed None of these Parallel to the direction of flow At an angle 30° to 60° to the direction of flow Perpendicular to the direction of flow None of these Parallel to the direction of flow At an angle 30° to 60° to the direction of flow Perpendicular to the direction of flow ANSWER DOWNLOAD EXAMIANS APP
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