Waste Water Engineering The sewage treatment in septic tanks is due to Parasitic decomposition Aerobic decomposition None of these Anaerobic decomposition Parasitic decomposition Aerobic decomposition None of these Anaerobic decomposition ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The most dangerous pollutant in vehicular emissions is CO₂ SO₂ O₂ CO₂ CO₂ SO₂ O₂ CO₂ ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The drainage area of a town is 12 hectares. Its 40% area is hard pavement ( K = 0.85), the 40% area is unpaved streets (K = 0.20) and the remaining is wooded areas (K = 0.15). Assuming the time of concentration for the areas as 30 minutes and using the formula Ps = 900/(t + 60) the maximum run off is 0.20 cumec 0.15 cumec 0.10 cumec 0.12 cumec 0.20 cumec 0.15 cumec 0.10 cumec 0.12 cumec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering When drainage to sewage ratio is 20, the peak dry weather flow is 20% of the design discharge Slightly less than 5% of the design discharge Slightly more than 5% of the design discharge None of these 20% of the design discharge Slightly less than 5% of the design discharge Slightly more than 5% of the design discharge None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Antisyphonage pipe is fitted With a W.'trap At the end of septic tanks On manholes At the beginning of sewer line With a W.'trap At the end of septic tanks On manholes At the beginning of sewer line ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering To maintain aerobic biological activity, the moisture content of the compost mass should be about 0.45 0.5 0.6 0.55 0.45 0.5 0.6 0.55 ANSWER DOWNLOAD EXAMIANS APP
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