Environmental Engineering in CE The main type of sludge gas evolved during sewage treatment in Imhoff tank is CO₂ CH₄ CO H₂ CO₂ CH₄ CO H₂ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following dust collection equipments is the least efficient (for sub-micronic particles)? Cyclone separator Bag filter Dust catcher (gravity type) Hollow wet scrubber Cyclone separator Bag filter Dust catcher (gravity type) Hollow wet scrubber ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Growth of __________ is promoted by the presence of manganese in water. Micro-organisms Algae Files Mosquitoes Micro-organisms Algae Files Mosquitoes ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In sewage treatment, its sedimentation is speeded up by commonly adding Lime Copper sulphate Hydrochloric acid Sodium sulphate Lime Copper sulphate Hydrochloric acid Sodium sulphate 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? Ra-226 I-131 Au-198 Sr-90 Ra-226 I-131 Au-198 Sr-90 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is a green house gas other than CO₂ ? Nitrous oxide Chlorofluro carbons (CFC) Methane All of these Nitrous oxide Chlorofluro carbons (CFC) Methane All of these ANSWER DOWNLOAD EXAMIANS APP
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