Environmental Engineering in CE Which of the following is a green house gas other than CO₂ ? Methane All of these Nitrous oxide Chlorofluro carbons (CFC) Methane All of these Nitrous oxide Chlorofluro carbons (CFC) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Oil and grease present in an emulsified state in waste water discharged from industries can be removed by Biological oxidation Chlorination Settling out using chemical reagents Skimming off Biological oxidation Chlorination Settling out using chemical reagents Skimming off ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Replenishment of dissolved oxygen in water stream polluted with industrial waste occurs by Natural aeration of water stream Both A & B Photosynthetic action of algae Neither A nor B Natural aeration of water stream Both A & B Photosynthetic action of algae Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Inhalation of lead compounds present in the automobile exhausts (using leaded petrol) causes Blood poisoning All of these Anaemia Nervous system disorder Blood poisoning All of these Anaemia Nervous system disorder ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Waste/polluted water discharged from electroplating, blast furnace and coal mining industries contain mainly __________ substances. Inorganic None of these Radioactive Organic Inorganic None of these Radioactive Organic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Dose of chlorine for disinfection of water is about __________ mg/litre of water. 0.1 1 0.3 0.01 0.1 1 0.3 0.01 ANSWER DOWNLOAD EXAMIANS APP