Waste Water Engineering The sewage discharge in a detritus tank of a treatment plant is 576 litres/sec with flow velocity of 0.2 m/sec. If the ratio of width to depth is 2, the depth is 150 cm 120 cm 110 cm 100 cm 150 cm 120 cm 110 cm 100 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The spacing of bars of perforations of fine screens used for the treatment of sewage, is 8 to 10 mm 3 to 5 mm 5 to 8 mm 2 to 3 mm 8 to 10 mm 3 to 5 mm 5 to 8 mm 2 to 3 mm 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 30 minutes 1 hour 1 hour and 30 minutes 2 hours 30 minutes 1 hour 1 hour and 30 minutes ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering R.M.O. expenses include All of these Running expenses Maintenance expenses Operation expenses All of these Running expenses Maintenance expenses Operation expenses ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The presence of free ammonia in sewage, is detected by Adding sulphuric acid Adding potassium permanganate Boiling Phenol-di-sulphuric acid Adding sulphuric acid Adding potassium permanganate Boiling Phenol-di-sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In normal conditions, the period for sludge digestion, is 20 days 30 days 10 days 60 days 20 days 30 days 10 days 60 days ANSWER DOWNLOAD EXAMIANS APP
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