Environmental Engineering in CE What are the methods of treatment & disposal of radioactive wastes? All of these Evaporation & chemical precipitation Biological methods & adsorption in ion exchange materials Fixing into a solid mass with cement and sinking deep in the sea All of these Evaporation & chemical precipitation Biological methods & adsorption in ion exchange materials Fixing into a solid mass with cement and sinking deep in the sea ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Phenolic water generated in coke ovens & by-product plant attached to an integrated steel plant containing phenol in concentration of less than 100 mg/litre can be removed by Chemical coagulation None of these Chlorination Treating in biological oxygen pond Chemical coagulation None of these Chlorination Treating in biological oxygen pond ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is a green house gas other than CO₂ ? Nitrous oxide Methane Chlorofluro carbons (CFC) All of these Nitrous oxide Methane Chlorofluro carbons (CFC) All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Lagooning process is mainly a means of the Biological treatment of wastes Reduction of excessive flow in sewers Sludge disposal None of these Biological treatment of wastes Reduction of excessive flow in sewers Sludge disposal None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of iron and manganese in water causes Discoloration of bathroom fixtures None of these Temporary hardness Reduction in its dissolved oxygen content Discoloration of bathroom fixtures None of these Temporary hardness Reduction in its dissolved oxygen content ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE High concentration of carcinogenic hydrocarbon pollutants in atmospheric air causes Silicosis Cancer Reduced crop yield Respiratory disease (e.g., asthma) Silicosis Cancer Reduced crop yield Respiratory disease (e.g., asthma) ANSWER DOWNLOAD EXAMIANS APP