Environmental Engineering in CE Iron & manganese present in the polluted water is removed by Chlorination only Oxidation followed by settling & filtration Simple filtration Chemical coagulation Chlorination only Oxidation followed by settling & filtration Simple filtration Chemical coagulation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following plants does not emit appreciable amount of SO₂ in atmosphere? Nitric acid plant Petroleum refinery Sulphuric acid plant Thermal power plant Nitric acid plant Petroleum refinery Sulphuric acid plant Thermal power plant ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Foul odour and bad taste of water is removed by treating with Bleaching powder Copper sulphate Alum Activated carbon Bleaching powder Copper sulphate Alum Activated carbon ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Average human body contains about __________ percent water by weight. 40 70 20 85 40 70 20 85 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which is the most efficient dust removal equipment for removal of sub-micronic dust particles from blast furnace gas? Packed scrubber Gravity settling chamber Electrostatic precipitator Hydrocyclone Packed scrubber Gravity settling chamber Electrostatic precipitator Hydrocyclone ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is a green house gas other than CO₂ ? Chlorofluro carbons (CFC) Nitrous oxide Methane All of these Chlorofluro carbons (CFC) Nitrous oxide Methane All of these ANSWER DOWNLOAD EXAMIANS APP