Waste Water Engineering The spacing of bars of perforations of fine screens used for the treatment of sewage, is 8 to 10 mm 2 to 3 mm 3 to 5 mm 5 to 8 mm 8 to 10 mm 2 to 3 mm 3 to 5 mm 5 to 8 mm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The factor responsible for purification of sewage in river is Dissolved oxygen in water Temperature All listed here Hydrology Dissolved oxygen in water Temperature All listed here Hydrology ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For design purposes, the normal rate of infiltration of ground water into the sewer, is 2000 litres/km/cm 1500 litres/km/cm 500 litres/km/cm 1000 litres/km/cm 2000 litres/km/cm 1500 litres/km/cm 500 litres/km/cm 1000 litres/km/cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The ratio of design discharge to the surface area of a sedimentation tank is called Overflow rate All of these Overflow velocity Surface loading Overflow rate All of these Overflow velocity Surface loading ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For a continuous flow type of sedimentation tanks Maximum horizontal flow velocity is limited to 0.3 m/minute Width of the tank is normally kept about 6 m Length of the tank is normally kept 4 to 5 times the width All listed here Maximum horizontal flow velocity is limited to 0.3 m/minute Width of the tank is normally kept about 6 m Length of the tank is normally kept 4 to 5 times the width All listed here ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The presence of free ammonia in sewage, is detected by Boiling Adding potassium permanganate Adding sulphuric acid Phenol-di-sulphuric acid Boiling Adding potassium permanganate Adding sulphuric acid Phenol-di-sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
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