Waste Water Engineering 5 days-biochemical oxygen demand (BOD5) is taken at a temperature of 15°C 20°C 25°C 0°C 15°C 20°C 25°C 0°C 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 Bazin Manning Kutter Chezy Bazin Manning Kutter Chezy ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the diameter of sewer is 225 mm, the gradient required for generating self cleansing velocity, is 1 in 120 1 in 100 1 in 60 None of these 1 in 120 1 in 100 1 in 60 None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The most dangerous pollutant in vehicular emissions is O₂ CO₂ CO₂ SO₂ O₂ CO₂ CO₂ SO₂ ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewage discharge in a detritus tank of a treatment plant is 576 litres/sec with flow velocity of 0.2 m/sec. If the ratio of width to depth is 2, the depth is 100 cm 150 cm 120 cm 110 cm 100 cm 150 cm 120 cm 110 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For sewers, inverted siphon is provided for Four pipes One pipe Three pipes Two pipes Four pipes One pipe Three pipes Two pipes ANSWER DOWNLOAD EXAMIANS APP
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