Environmental Engineering in CE Which is the most practical and economical method for removal of suspended solid matter from polluted water? Biological oxidation Skimming off Chlorination Sedimentation Biological oxidation Skimming off Chlorination Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Shouting by a man at his full voice corresponds to a voice level of about __________ decibels. 50 80 25 120 50 80 25 120 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE 5-200 μm size particles are called Dust Powder Smoke Colloids or aerosols Dust Powder Smoke Colloids or aerosols ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fluorosis is caused due to the presence of excessive amount of __________ in drinking water. Fluoride Lead Arsenic Mercury Fluoride Lead Arsenic Mercury ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of mercury in potable (drinking) water is about __________ ppm. 0.1 0.001 5 1 0.1 0.001 5 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Removal of __________ is accomplished by aeration of water. Suspended solids None of these Dissolved solids Dissolved gases Suspended solids None of these Dissolved solids Dissolved gases ANSWER DOWNLOAD EXAMIANS APP
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