Environmental Engineering in CE Which is the most practical and economical method for removal of suspended solid matter from polluted water? Biological oxidation Chlorination Skimming off Sedimentation Biological oxidation Chlorination Skimming off Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum permissible limit of mercury in human blood is __________ micrograms/100 c.c. 1 19 7 82 1 19 7 82 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The common pollutant generated in chlor-alkali industry and battery manufacture is None of these Phosphate Mercury Brine None of these Phosphate Mercury Brine ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Arsenic pollutant is not generated in____industries. Tanneries Beverages Any of these Glass & ceramic Tanneries Beverages Any of these Glass & ceramic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Higher concentration of CO₂ in atmosphere Prevents solar heat being radiated out completely, resulting in Allows visible solar radiation (ultraviolet) of short wave-length to pass through All of these Reflects and absorbs the longer wavelength (infra-red) radiations Prevents solar heat being radiated out completely, resulting in Allows visible solar radiation (ultraviolet) of short wave-length to pass through All of these Reflects and absorbs the longer wavelength (infra-red) radiations ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of excess flourine in water causes Tooth decay Fluorosis Respiratory disease Dental cavity Tooth decay Fluorosis Respiratory disease Dental cavity ANSWER DOWNLOAD EXAMIANS APP