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 200 mg/l 400 mg/l 300 mg/l 100 mg/l 200 mg/l 400 mg/l 300 mg/l 100 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For the survival of fish in a river stream, the minimum dissolved oxygen is prescribed 3 ppm 5 ppm 4 ppm 10 ppm 3 ppm 5 ppm 4 ppm 10 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The settlement of a particle in sedimentation tank, is affected by Size and shape of solid Velocity of flow Viscosity of water All listed here Size and shape of solid Velocity of flow Viscosity of water All listed here ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Sewer pipes need be checked for None of these Minimum flow Both A and B Maximum flow None of these Minimum flow Both A and B Maximum flow ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The porosity of sediments in sewer pipes, is usually taken as 0.013 0.012 0.01 0.011 0.013 0.012 0.01 0.011 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In primary sedimentation, the 0.2 mm inorganic solids get separated if specific gravity is 2.5 2.25 2.65 2.55 2.5 2.25 2.65 2.55 ANSWER DOWNLOAD EXAMIANS APP
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