Waste Water Engineering The sewage treatment units in which anaerobic decomposition of organic matter is used, are called None of these Trickling filters Imhoff tanks Sludge sedimentation tanks None of these Trickling filters Imhoff tanks Sludge sedimentation tanks 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 30 minutes 1 hour 2 hours 1 hour and 30 minutes 30 minutes 1 hour 2 hours 1 hour and 30 minutes ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Drop manholes are the manholes With depths more than 3.5 m Without manhole covers Without entry ladders Having drains at different levels With depths more than 3.5 m Without manhole covers Without entry ladders Having drains at different levels ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The asbestos cement sewers are Susceptible to corrosion by sulphuric acid All of these Light in weight Not structurally strong to bear large compressive stress Susceptible to corrosion by sulphuric acid All of these Light in weight Not structurally strong to bear large compressive stress ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The minimum diameter of sewer to be adopted is 10 cm 15 cm 25 cm 12.5 cm 10 cm 15 cm 25 cm 12.5 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The grit chambers of sewage treatment plants, are generally cleaned after 2 days 14 days 12 days 7 days 2 days 14 days 12 days 7 days ANSWER DOWNLOAD EXAMIANS APP
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