Waste Water Engineering The spacing of bars of perforations of fine screens used for the treatment of sewage, is 2 to 3 mm 3 to 5 mm 5 to 8 mm 8 to 10 mm 2 to 3 mm 3 to 5 mm 5 to 8 mm 8 to 10 mm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Sewer pipes are designed for maximum discharge with 25% to 33% vacant cross-sectional area for Unexpected increase in the population All of these Unexpected large scale infiltration of stream water Under estimates of maximum and average flows Unexpected increase in the population All of these Unexpected large scale infiltration of stream water Under estimates of maximum and average flows ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The asbestos cement pipes are generally laid Vertically At an angle of 60° Horizontally At an angle of 30° Vertically At an angle of 60° Horizontally At an angle of 30° ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The pressure exerted by Pressure sewers are designed to be safe in tension The internal pressure if any, causes tensile stress in the pipe material All listed here The sewage when running full from inside, is called internal pressure Pressure sewers are designed to be safe in tension The internal pressure if any, causes tensile stress in the pipe material All listed here The sewage when running full from inside, is called internal pressure ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For treating the sewage of a large city, you will recommend A sedimentation tank and an activated sludge treatment plant None of these A plant consisting of Imhoff tanks with low rate trickling filters Sedimentation tanks with high rate trickling filters A sedimentation tank and an activated sludge treatment plant None of these A plant consisting of Imhoff tanks with low rate trickling filters Sedimentation tanks with high rate trickling filters ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The angle subtended by the surface of sewer water with partial flow, at sewer centre is 120°, the depth of sewerage is 50 cm 25 cm 20 cm 40 cm 50 cm 25 cm 20 cm 40 cm ANSWER DOWNLOAD EXAMIANS APP
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