Waste Water Engineering The spacing of bars of perforations of fine screens used for the treatment of sewage, is 2 to 3 mm 5 to 8 mm 8 to 10 mm 3 to 5 mm 2 to 3 mm 5 to 8 mm 8 to 10 mm 3 to 5 mm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A sewer running partially full and hurried with back filled, fails in compression due to Superimposed traffic loads Weight of the back fill Weight of the pipe All listed here Superimposed traffic loads Weight of the back fill Weight of the pipe All listed here ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Flocculated particles do not change their Shape Size Weight None of these Shape Size Weight None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The reduced levels of the string at the consecutive sight rails A and B are 203.575 m, 203.475 m respectively. If the difference of their R.D.s is 10 m, the gradient of the sewer line is 1 in 100 upward 1 in 503 upward 1 in 500 upward 1 in 100 downward 1 in 100 upward 1 in 503 upward 1 in 500 upward 1 in 100 downward ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Hydraulic mean radius is Mean radius of sewer Cross-sectional area/wetted perimeter Mean of radii in a pipe line of varying cross -sections Difference in heads between two points in circular pipes Mean radius of sewer Cross-sectional area/wetted perimeter Mean of radii in a pipe line of varying cross -sections Difference in heads between two points in circular pipes 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 100 mg/l 300 mg/l 400 mg/l 200 mg/l 100 mg/l 300 mg/l 400 mg/l 200 mg/l ANSWER DOWNLOAD EXAMIANS APP
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