Environmental Engineering in CE Fluorosis is caused due to the presence of excessive amount of __________ in drinking water. Arsenic Lead Mercury Fluoride Arsenic Lead Mercury Fluoride 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? Sedimentation Biological oxidation Chlorination Skimming off Sedimentation Biological oxidation Chlorination Skimming off ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A considerable part of the harmful ultraviolet radiation of the sum does not reach the earth surface, because of the fact that, there is a layer of __________ high above earth's atmosphere, which absorbs it. Ozone Hydrogen Carbon dioxide None of these Ozone Hydrogen Carbon dioxide None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Pollution by particulate matter emission in the atmosphere does not take place during metal Machining Grinding Cutting Polishing Machining Grinding Cutting Polishing ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Workers working in __________ industry are most prone to white lung cancer. Textile Asbestos Limestone mining Coal mining Textile Asbestos Limestone mining Coal mining ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level during normal conversation among men is about __________ decibles. 45 90 115 10 45 90 115 10 ANSWER DOWNLOAD EXAMIANS APP