Environmental Engineering in CE Which is the most practical and economical method for removal of suspended solid matter from polluted water? Biological oxidation Chlorination Skimming off Sedimentation Biological oxidation Chlorination Skimming off Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE World environment day is observed every year on the 5th of December July June September December July June September ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Iron & manganese present in the polluted water is removed by Simple filtration Chlorination only Oxidation followed by settling & filtration Chemical coagulation Simple filtration Chlorination only Oxidation followed by settling & filtration Chemical coagulation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Polluted water having low BOD are most economically treated in Sludge digester Sedimentation tanks Clarifier Oxidation ponds Sludge digester Sedimentation tanks Clarifier Oxidation ponds ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of a certain minimum quantity of flourine is desirable in potable water to prevent Corrosion Water-borne disease Scale formation Dental cavities Corrosion Water-borne disease Scale formation Dental cavities ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following plants does not emit appreciable amount of SO₂ in atmosphere? Petroleum refinery Thermal power plant Sulphuric acid plant Nitric acid plant Petroleum refinery Thermal power plant Sulphuric acid plant Nitric acid plant ANSWER DOWNLOAD EXAMIANS APP
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