Environmental Engineering in CE In water chemical treatment plant, use of chloramines ensures Taste & odour control Removal of permanent hardness Disinfection Weed control in reservoirs Taste & odour control Removal of permanent hardness Disinfection Weed control in reservoirs ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Growth of __________ is promoted by the presence of manganese in water. Mosquitoes Files Algae Micro-organisms Mosquitoes Files Algae Micro-organisms ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Inhalation of silica dust by human being causes Tuberculosis Both B & C Shortness of breath Asphyxiation Tuberculosis Both B & C Shortness of breath Asphyxiation 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 Chlorination Biological oxidation Skimming off Sedimentation Chlorination Biological oxidation Skimming off ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following pollutants is not emitted during volcanic eruptions? Hydrocarbons SO₂ H₂S CO Hydrocarbons SO₂ H₂S CO ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE As compared to rapid sand filters, slow sand filters give(i) Slower filtration rate(ii) Higher filtration rate(iii) Lesser efficiency in removal of bacteria(iv) Higher efficiency in removal of bacteriaThe correct answer is (i) and (iv) (ii) and (iv) (ii) and (iii) (i) and (ii) (i) and (iv) (ii) and (iv) (ii) and (iii) (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP