Environmental Engineering in CE Iron & manganese present in the polluted water is removed by Chemical coagulation Chlorination only Simple filtration Oxidation followed by settling & filtration Chemical coagulation Chlorination only Simple filtration Oxidation followed by settling & filtration ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE 5-200 μm size particles are called Dust Smoke Powder Colloids or aerosols Dust Smoke Powder Colloids or aerosols ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The effect of increase in carbon dioxide level of the atmosphere and its profound effect on our climate is called the Both B and C Global warming Green house effect Catalytic conversion Both B and C Global warming Green house effect Catalytic conversion ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Lagooning process is mainly a means of the Reduction of excessive flow in sewers Biological treatment of wastes Sludge disposal None of these Reduction of excessive flow in sewers Biological treatment of wastes Sludge disposal None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Removal of __________ is accomplished by aeration of water. None of these Suspended solids Dissolved solids Dissolved gases None of these Suspended solids Dissolved solids Dissolved gases ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Out of the following, TLV of __________ is maximum (about 500 ppm). Toluene Carbon dioxide Carbon disulphide Acetaldehyde Toluene Carbon dioxide Carbon disulphide Acetaldehyde ANSWER DOWNLOAD EXAMIANS APP
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