Environmental Engineering in CE Aerosols present in atmospheric air may be Positively charged Combination of all A, B & C Negatively charged Neutral Positively charged Combination of all A, B & C Negatively charged Neutral ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE What are the methods of treatment & disposal of radioactive wastes? Evaporation & chemical precipitation Fixing into a solid mass with cement and sinking deep in the sea All of these Biological methods & adsorption in ion exchange materials Evaporation & chemical precipitation Fixing into a solid mass with cement and sinking deep in the sea All of these Biological methods & adsorption in ion exchange materials ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ is removed from water by lime-soda process. Iron and manganese Foul smell and taste Permanent hardness Temporary hardness Iron and manganese Foul smell and taste Permanent hardness Temporary hardness ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following radioactive wastes emits all α, β & γ rays and hence is the most hazardous of all radioactive emitters? Sr-90 Ra-226 I-131 Au-198 Sr-90 Ra-226 I-131 Au-198 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of excess flourine in water causes Dental cavity Respiratory disease Fluorosis Tooth decay Dental cavity Respiratory disease Fluorosis Tooth decay ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following processes is involved in the biochemical treatment of sewage effluents? Reduction Dehydration Fermentation Oxidation Reduction Dehydration Fermentation Oxidation ANSWER DOWNLOAD EXAMIANS APP
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