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 150 mg/l 50 mg/l 100 mg/l 250 mg/l 150 mg/l 50 mg/l 100 mg/l 250 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering depends upon The Chezy’s constant C in the formula V = C All listed here Roughness of sewer surface Shape of the sewer Size of the sewer All listed here Roughness of sewer surface Shape of the sewer Size of the sewer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The discharge per unit plan area of a sedimentation tank, is generally called Over flow velocity Surface loading Over flow rate All of these Over flow velocity Surface loading Over flow rate All of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering No treatment of the sewage is given if dilution factor is Between 200 to 300 Less than 150 More than 500 Between 150 to 200 Between 200 to 300 Less than 150 More than 500 Between 150 to 200 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The minimum diameter of a sewer is kept 20 cm 10 cm 25 cm 15 cm 20 cm 10 cm 25 cm 15 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For treating the sewage of a large city, you will recommend None of these A sedimentation tank and an activated sludge treatment plant A plant consisting of Imhoff tanks with low rate trickling filters Sedimentation tanks with high rate trickling filters None of these A sedimentation tank and an activated sludge treatment plant A plant consisting of Imhoff tanks with low rate trickling filters Sedimentation tanks with high rate trickling filters ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS