This set of Hazardous Waste Management Multiple Choice Questions & Answers (MCQs) focuses on “Thermal Processes – Combustion Technologies”. 1. ____________ furnace uses forces of gravity to help in mixing of waste. a) Bed plate b) Fluidised bed c) Incineration grate d) Rotary 2. Which of the following combustion technology is suitable for homogeneous and … Read more
This set of Hazardous Waste Management Multiple Choice Questions & Answers (MCQs) focuses on “Thermal Treatment”. 1. Thermal treatment technologies are differentiated by ___________ a) Type of grate b) Chemicals c) Energy d) Temperature 2. __________ from combustion of waste reduces cost. a) Chemical analysis b) Metals c) Material recovery d) LCA 3. ________ emission … Read more
This set of Hazardous Waste Management Multiple Choice Questions & Answers (MCQs) focuses on “Biological Treatment – Anaerobic Systems”. 1. Which of the following is the end product of anaerobic degradation? a) Liquor b) Nitrogen c) Lead d) Sulphur 2. The gases produced from anaerobic degradation process are ________ and ________ a) Nitrogen, sulphur b) … Read more
This set of Hazardous Waste Management Multiple Choice Questions & Answers (MCQs) focuses on “Biological Treatment – Aerobic Systems”. 1. What is the minimum oxygen requirement to promote growth of aerobic bacteria? a) 0.2 ppm b) 0.3 ppm c) 0.4 ppm d) 0.5 ppm 2. The temperature range for aerobic process is __________ degree Celsius. … Read more
This set of Hazardous Waste Management Multiple Choice Questions & Answers (MCQs) focuses on “Physical Treatment – Sorption”. 1. The use of adsorbent to remove targeted substance in a solution is called _________ a) Sorption b) Absorption c) Adsorption d) Chemical analysis 2. _________ process involves penetration of molecules to remove contaminants. a) Sorption b) … Read more
This set of Hazardous Waste Management Multiple Choice Questions & Answers (MCQs) focuses on “Physical Treatment – Stripping”. 1. Stripping is widely used to remove _________ a) Volatile components b) Organic matter c) Inorganic matter d) Chemicals 2. Gases passed in stripping process can be ________ a) Evaporated b) Boiled c) Condensed d) Cooled 3. … Read more
This set of Hazardous Waste Management Multiple Choice Questions & Answers (MCQs) focuses on “Physical Treatment – Evaporation”. 1. Rate of evaporation of liquid waste is measured by _______ a) Vapour pressure b) Pressure c) Temperature d) Heat 2. Liquids with high vapour pressure evaporates slowly. a) True b) False 3. __________ separation techniques are … Read more
This set of Hazardous Waste Management Multiple Choice Questions & Answers (MCQs) focuses on “Chemical Treatment – Ion Exchange”. 1. Ion exchange is widely used to remove _________ a) Heavy metals b) Toxic heavy metals c) Minerals d) Salts 2. Complete the equation. 2Res+OH– + [Ni(CN)4]2– → __________ + 2OH– a) (Res+)2[Ni(CN)4]2- b) (Res+)2[Ni(CN)4]3- c) … Read more
This set of Hazardous Waste Management Multiple Choice Questions & Answers (MCQs) focuses on “Chemical Treatment – Reduction and oxidation”. 1. The process used to destroy toxicity of waste by changing oxidation state is __________ a) Reduction process b) Oxidation process c) Waste analysis d) Chemical analysis 2. Which of the following solutions can be … Read more
This set of Hazardous Waste Management online test focuses on “Chemical Treatment – Stabilisation and Solidification”. 1. ________ treatment method prevent immobilization of hazardous waste into environment. a) Hydrolysis b) Neutralisation c) Chemical precipitation d) Stabilisation and solidification 2. Which treatment is better suitable for remediation of contaminated hazardous waste site? a) Hydrolysis b) Neutralisation … Read more
