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MCQ on Incinerator

Sourav Bio

An incinerator is a device used to burn waste materials, typically as a method of disposal. Incineration is a process of thermally oxidizing waste materials in the presence of oxygen to convert them into ash, flue gas, and heat. The basic principle of an incinerator is thermally oxidizing the waste materials to reduce the volume of the waste and eliminate the need for landfills. It is used to dispose of a wide variety of waste materials, including municipal solid waste, medical waste, hazardous waste, and sewage sludge. It is also used to generate electricity in some cases. Incinerators are equipped with advanced filtration systems to capture pollutants, including scrubbers and filters, to remove pollutants such as dioxins, furans, and particulate matter. This ensures that the incineration process is safe and environmentally friendly.

1. What is the main purpose of an incinerator?

a) To recycle waste materials b) To burn waste materials c) To compost waste materials d) To store waste materials

2. What types of waste materials can be burned in an incinerator?

a) Municipal solid waste b) Medical waste c) Hazardous waste d) All of the above

3. What are the three main stages of the incineration process?

a) Drying, combustion, and post-combustion b) Collection, transportation, and disposal c) Sorting, recycling, and composting d) None of the above

4. How does incineration reduce the volume of waste?

a) By burning the waste materials b) By compacting the waste materials c) By dissolving the waste materials d) By freezing the waste materials

5. What are the benefits of using incineration for waste disposal?

a) It reduces the volume of waste and eliminates the need for landfills b) It generates electricity from waste c) It conserves natural resources d) All of the above

6. What are the potential negative effects of incineration on the environment?

a) Air pollution b) Greenhouse gas emissions c) Resource depletion d) All of the above

7. Can plastic be burned in an incinerator?

a) Yes b) No

8. What are the pollutants produced when burning plastic?

a) Hydrochloric acid and sulfur dioxide b) Carbon dioxide and water vapor c) Oxygen and nitrogen d) None of the above

9. What are the advanced filtration systems used to remove pollutants from the flue gases in an incinerator?

a) Scrubbers and filters b) Compressors and condensers c) Fans and ducts d) None of the above

10. Are incinerators subject to regular inspections to ensure safe operation?

a) Yes b) No

Answer Key

  1. b) To burn waste materials
  2. d) All of the above
  3. a) Drying, combustion, and post-combustion
  4. a) By burning the waste materials
  5. d) All of the above
  6. d) All of the above
  7. b) No
  8. a) Hydrochloric acid and sulfur dioxide
  9. a) Scrubbers and filters
  10. a) Yes

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