Waste Water Engineering The maximum depth of sedimentation tanks, is kept 3 m 4.5 m 4 m 3.5 m 3 m 4.5 m 4 m 3.5 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The recommended detention period for grit chambers is 5 minutes 2 minutes 3 minutes 1 minute 5 minutes 2 minutes 3 minutes 1 minute ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If a 2% solution of sewage sample is incubated for 5 days at 20°C and the dissolved oxygen depletion was found to be 8 mg/l. The BOD of the sewage is 200 mg/l 400 mg/l 300 mg/l 100 mg/l 200 mg/l 400 mg/l 300 mg/l 100 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Hydraulic mean radius is 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 Cross-sectional area/wetted perimeter Difference in heads between two points in circular pipes ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering As compared to fresh river water, sea water contains oxygen 20% more 10% less 20% less 10% more 20% more 10% less 20% less 10% more ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewage treatment in septic tanks is due to Aerobic decomposition Anaerobic decomposition Parasitic decomposition None of these Aerobic decomposition Anaerobic decomposition Parasitic decomposition None of these ANSWER DOWNLOAD EXAMIANS APP
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