Waste Water Engineering The spacing of bars of perforations of fine screens used for the treatment of sewage, is 8 to 10 mm 5 to 8 mm 2 to 3 mm 3 to 5 mm 8 to 10 mm 5 to 8 mm 2 to 3 mm 3 to 5 mm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The most dangerous pollutant in vehicular emissions is CO₂ CO₂ SO₂ O₂ CO₂ CO₂ SO₂ O₂ ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The settlement velocity of a solid (diameter 0.5 mm, specific gravity 1.75) in water having temperature 10°C, is 213.5 cm/sec 313.5 cm/sec 500 cm/sec 413.5 cm/sec 213.5 cm/sec 313.5 cm/sec 500 cm/sec 413.5 cm/sec 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 None of these 250 ppm 225 ppm 200 ppm None of these 250 ppm 225 ppm 200 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If is the rugosity coefficient, is the bed slope of sewer, the velocity of flow in m/sec may be obtained by the formula V = (1/n) r2/3 s1/2 evolved by Manning Kutter Bazin Chezy Manning Kutter Bazin Chezy ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The suitable cross-section of sewers to carry combined flow, is Rectangular Horse shoe shaped Egg shaped Circular Rectangular Horse shoe shaped Egg shaped Circular ANSWER DOWNLOAD EXAMIANS APP
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