Environmental Engineering in CE Irradiation of water by ultraviolet light of suitable wavelength is commonly used for disinfection of water in Iron & steel plant Petroleum refinery Food industry Municipal sewage treatment Iron & steel plant Petroleum refinery Food industry Municipal sewage treatment ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Main pollutants released from petroleum refineries is SO₃, NO₂ & CO₂ CO₂, H₂S & NO₂ CO₂, NO & SO₃ CO, SO₂ & H₂S SO₃, NO₂ & CO₂ CO₂, H₂S & NO₂ CO₂, NO & SO₃ CO, SO₂ & H₂S ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which is the most practical and economical method for removal of suspended solid matter from polluted water? Skimming off Biological oxidation Chlorination Sedimentation Skimming off Biological oxidation Chlorination Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Color test of water is done with an instrument called Electro-chemical cell Turbidimeter Colorimeter Tintometer Electro-chemical cell Turbidimeter Colorimeter Tintometer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of __________ in water stream are deleterious to aquatic life. Soluble and toxic organics Heavy metals and cynides All of these Suspended solids Soluble and toxic organics Heavy metals and cynides All of these Suspended solids ANSWER DOWNLOAD EXAMIANS APP