Environmental Engineering in CE Radioactive substances present in the polluted water stream can be removed by Coagulation and filtration Adsorption in ion exchange materials Biological oxygen treatment None of these Coagulation and filtration Adsorption in ion exchange materials Biological oxygen treatment None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Reingleman chart is used for the evaluation of __________ pollution. Water Noise Air Radioactive Water Noise Air Radioactive ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most efficient for removal of very finely divided suspended solids and colloidal matter from the polluted water stream? Chemical coagulation Circular clarifier Mechanical flocculation Sedimentation tank Chemical coagulation Circular clarifier Mechanical flocculation Sedimentation tank ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of dissolved impurities of __________ is responsible for the red brownish color of water. Bi-carbonates Arsenic Iron & manganese Carbonates Bi-carbonates Arsenic Iron & manganese Carbonates ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fresh sewage is __________ in nature. Acidic Alkaline Neutral Highly acidic Acidic Alkaline Neutral Highly acidic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Higher concentration of nitrogen dioxide in atmospheric air causes Corrosion Asphyxiation Cancer Bronchitis Corrosion Asphyxiation Cancer Bronchitis ANSWER DOWNLOAD EXAMIANS APP