Environmental Engineering in CE Oil and grease present in an emulsified state in waste water discharged from industries can be removed by Settling out using chemical reagents Biological oxidation Skimming off Chlorination Settling out using chemical reagents Biological oxidation Skimming off Chlorination ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Biological oxidation ponds remove organic matters present in the polluted water by Neither A nor B Aerobic oxidation Using the activities of bacteria and other micro organisms Both A & B Neither A nor B Aerobic oxidation Using the activities of bacteria and other micro organisms Both A & B ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of nitrogen and phosphorous in waste water discharged into lakes and ponds causes Turbidity Foaming Odour nuisances Undesirable plant growth Turbidity Foaming Odour nuisances Undesirable plant growth ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The upper layer of atmosphere is called the Ionosphere Stratosphere None of these Troposphere Ionosphere Stratosphere None of these Troposphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ is the process of killing organism in water. Coagulation Sedimentation Disinfection Sterilisation Coagulation Sedimentation Disinfection Sterilisation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Inhalation of silica dust by human being during hand drilling in mica mining, lead & zinc mining, silica refractory manufacture and in foundaries causes All of these Tuberculosis Shortness of breath Asphyxiation (suffocation) All of these Tuberculosis Shortness of breath Asphyxiation (suffocation) ANSWER DOWNLOAD EXAMIANS APP
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