Environmental Engineering in CE Which is the most practical and economical method for removal of suspended solid matter from polluted water? Biological oxidation Chlorination Sedimentation Skimming off Biological oxidation Chlorination Sedimentation Skimming off ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Oilish impurities present the effluent discharged from the electroplating industry is normally not removed by Ultrafiltration Chemical coagulation Centrifugation Floatation & skimming Ultrafiltration Chemical coagulation Centrifugation Floatation & skimming ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is a green house gas other than CO₂ ? Methane Chlorofluro carbons (CFC) All of these Nitrous oxide Methane Chlorofluro carbons (CFC) All of these Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Global warming may result in Cyclone Flood All of these Decrease in food productivity Cyclone Flood All of these Decrease in food productivity 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? Au-198 Sr-90 Ra-226 I-131 Au-198 Sr-90 Ra-226 I-131 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The weakest sound that can be heard by a person in a quiet environment is equivalent to __________ decibel. 5 10 1 20 5 10 1 20 ANSWER DOWNLOAD EXAMIANS APP
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