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 1 hour and 30 minutes 30 minutes 2 hours 1 hour 1 hour and 30 minutes 30 minutes 2 hours ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Chlorination of water is done for the removal of Bacterias Suspended solids Sediments Hardness Bacterias Suspended solids Sediments Hardness ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Facultative bacteria survive in The absence of oxygen Both cases A and B Neither A nor B The presence of oxygen The absence of oxygen Both cases A and B Neither A nor B The presence of oxygen ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For a continuous flow type of sedimentation tanks Width of the tank is normally kept about 6 m All listed here Length of the tank is normally kept 4 to 5 times the width Maximum horizontal flow velocity is limited to 0.3 m/minute Width of the tank is normally kept about 6 m All listed here Length of the tank is normally kept 4 to 5 times the width Maximum horizontal flow velocity is limited to 0.3 m/minute ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the pH value of sewage is 7 None of these It is neutral It is alkaline It is acidic None of these It is neutral It is alkaline It is acidic ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering To prevent settling down of sewage both at the bottom and on the sides of a large sewer, self-cleaning velocity recommended for Indian conditions, is 0.50 m/sec 0.60 m/sec 0.70 m/sec 0.75 m/sec 0.50 m/sec 0.60 m/sec 0.70 m/sec 0.75 m/sec ANSWER DOWNLOAD EXAMIANS APP
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