Waste Water Engineering In a grit chamber of a sewage treatment plant, Flow velocity 0.15 m to 0.3 m/sec is kept One minute of detention period is kept All of these Depth of 0.9 m to 1.20 m is kept Flow velocity 0.15 m to 0.3 m/sec is kept One minute of detention period is kept All of these Depth of 0.9 m to 1.20 m is kept ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In a sludge tank, the gas mainly produced, is Hydrogen Oxygen Nitrogen Carbon dioxide Hydrogen Oxygen Nitrogen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Hydraulic mean radius is Cross-sectional area/wetted perimeter Difference in heads between two points in circular pipes Mean radius of sewer Mean of radii in a pipe line of varying cross -sections Cross-sectional area/wetted perimeter Difference in heads between two points in circular pipes Mean radius of sewer Mean of radii in a pipe line of varying cross -sections ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The digested sludge from septic tanks, is removed after a maximum period of 5 years 3 years 4 years 3.5 years 5 years 3 years 4 years 3.5 years 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 2 hours 1 hour and 30 minutes 1 hour 30 minutes 2 hours 1 hour and 30 minutes 1 hour ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Traps Are used to trap the rats entering sewers Create symphonic action to increase the quick disposal of sewerage Dissolve the foul gases Are water seals which prevent the entry of foul gases Are used to trap the rats entering sewers Create symphonic action to increase the quick disposal of sewerage Dissolve the foul gases Are water seals which prevent the entry of foul gases ANSWER DOWNLOAD EXAMIANS APP
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