Waste Water Engineering Hydraulic mean radius is Cross-sectional area/wetted perimeter Difference in heads between two points in circular pipes Mean of radii in a pipe line of varying cross -sections Mean radius of sewer Cross-sectional area/wetted perimeter Difference in heads between two points in circular pipes Mean of radii in a pipe line of varying cross -sections Mean radius of sewer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Sewer manholes are generally provided at All of these The change of direction The change of gradient The junctions of sewers All of these The change of direction The change of gradient The junctions of sewers 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 300 mg/l 200 mg/l 400 mg/l 100 mg/l 300 mg/l 200 mg/l 400 mg/l 100 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the discharge of a sewer running half is 628 1.p.s., i = 0.001, and n = 0.010, the diameter of the sewer, is 1.49 m 1.69 m 1.59 m 1.39 m 1.49 m 1.69 m 1.59 m 1.39 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The digested sludge from septic tanks, is removed after a maximum period of 3 years 3.5 years 5 years 4 years 3 years 3.5 years 5 years 4 years ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The non-clog pump which permits solid matter to pass out with the liquid sewage, is Pneumatic ejector Reciprocating pump Centrifugal pump None of these Pneumatic ejector Reciprocating pump Centrifugal pump None of these ANSWER DOWNLOAD EXAMIANS APP
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