Waste Water Engineering Hydraulic mean radius is 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 Cross-sectional area/wetted perimeter ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Dried sewage after treatment is used as Fertilizer Building material Chemical for lowering B.O.D. Base material for paints Fertilizer Building material Chemical for lowering B.O.D. Base material for paints ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Water content of sewage is about 0.999 0.95 0.9 0.99 0.999 0.95 0.9 0.99 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the depletion of oxygen is found to be 2.5 mg/litre after incubating 2.5 ml of sewage diluted to 250 ml for 5 days at 20°C, B.O.D. of the sewage is 250 mg/l 50 mg/l 150 mg/l 100 mg/l 250 mg/l 50 mg/l 150 mg/l 100 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the over land flow from the critical point to the drain is 8 km and the difference in level is 12.4 m, the inlet time is 4 hours 3 hours 2 hours 5 hours 4 hours 3 hours 2 hours 5 hours ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The maximum depth of sedimentation tanks, is kept 4 m 4.5 m 3.5 m 3 m 4 m 4.5 m 3.5 m 3 m ANSWER DOWNLOAD EXAMIANS APP