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 1 hour 2 hours 30 minutes 1 hour and 30 minutes 1 hour 2 hours 30 minutes 1 hour and 30 minutes ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The gas which may cause explosion in sewers, is Carbondioxide Carbon monoxide Methane Ammonia Carbondioxide Carbon monoxide Methane Ammonia ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Sewer manholes are generally provided at The change of direction The change of gradient The junctions of sewers All of these The change of direction The change of gradient The junctions of sewers All of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the peak discharge of a storm water drain (S.W. Drain) is expected to exceed 150 cumecs, the free board to be provided, is 50 cm 90 cm 100 cm 80 cm 50 cm 90 cm 100 cm 80 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A well oxidized sewage contains nitrogen mainly as Free ammonia Nitrites Nitrates None of these Free ammonia Nitrites Nitrates None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewer which resists sulphide corrosion, is R.C. sewer Brick sewer Lead sewer Cast iron sewer R.C. sewer Brick sewer Lead sewer Cast iron sewer ANSWER DOWNLOAD EXAMIANS APP
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