Waste Water Engineering Primary treatment of sewage consists of removal of Floating materials Oil and grease Large suspended organic solids Sand and girt Floating materials Oil and grease Large suspended organic solids Sand and girt ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If 2% solution of a sewage sample is incubated for 5 days at 20°C and depletion of oxygen was found to be 5 ppm, B.O.D. of the sewage is 200 ppm 225 ppm 250 ppm None of these 200 ppm 225 ppm 250 ppm None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The rate of accumulation of sludge per person per year, is 20 litres 15 litres 10 litres 25 litres 20 litres 15 litres 10 litres 25 litres ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In a sedimentation tank (length L, width B, depth D) the settling velocity of a particle for a discharge Q, is Q/L Q/(B × D) Q/(L × D) Q/(B × L) Q/L Q/(B × D) Q/(L × D) Q/(B × L) ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Sewer pipes need be checked for Maximum flow None of these Minimum flow Both A and B Maximum flow None of these Minimum flow Both A and B ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If D is the diameter of a circular sewer and D’ is the top horizontal diameter of an equivalent egg shaped section, the relationship which holds good, is D’ = 0.84 D D’ = 0.74 D D’ = 0.94 D D’ = 0.64 D D’ = 0.84 D D’ = 0.74 D D’ = 0.94 D D’ = 0.64 D ANSWER DOWNLOAD EXAMIANS APP
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