Waste Water Engineering Removal of oil and grease from sewage, is known None of these Filtration Screening Skimming None of these Filtration Screening Skimming ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The most dangerous pollutant in vehicular emissions is CO₂ O₂ CO₂ SO₂ CO₂ O₂ CO₂ SO₂ ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering As compared to fresh river water, sea water contains oxygen 10% less 20% less 20% more 10% more 10% less 20% less 20% more 10% more 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 100 None of these 1 in 60 1 in 120 1 in 100 None of these 1 in 60 1 in 120 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The moisture content of sludge is reduced from 90% to 80% in a sludge digestion tank. The percentage decrease in the volume of sludge, is 0.1 0.5 0.25 0.05 0.1 0.5 0.25 0.05 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Acid regression stage of sludge digestion at a temperature 21°C extends over a period of 15 days 30 days 90 days 60 days 15 days 30 days 90 days 60 days ANSWER DOWNLOAD EXAMIANS APP
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