ENS Chapter 16 Exam Questions and Answers All Correct

ENS Chapter 16 Exam Questions and Answers All Correct In which of these solid waste disposal methods is trash compacted and separated by layers of plastic? A. incineration B. composting C. sanitary landfill D. open dumps - Answer-C. sanitary landfill Which of these materials is most likely to persist for many years in a landfill? A. food waste B. plastic packaging C. yard trimmings D. steel nails - Answer-B. plastic packaging Between 1998 and 2007, the number of sanitary landfills in the USA A. stayed the same B. decreased C. increased D. was not known - Answer-B. decreased Which of these features of a mass burn incinerator brings about the most reduction in volume of solid waste? A. furnace B. Scrubber C. Boiler D. electrostatic precipitator - Answer-A. furnace Which of these is MOST associated with mass incineration as opposed to a sanitary landfill? A. people generally do not want one near their homes B. batteries may release toxic metals C. production of fly and bottom ash D. potential for leaching of materials into groundwater - Answer-C. production of fly and bottom ash Which of these is a suitable material for homeowner composting? A. plastic bottles B. metal cans C. yard waste D. rubber - Answer-C. yard waste Which of these practices will speed up the composting process? A. addition of nonmunicipal waste B. turning over the material regularly C. periodic burning D. inclusion of yard waste - Answer-B. turning over the material regularly What is dematerialization? A. Reusing all materials from the manufacturing process. B. The reduction of all waste up to 90% by incineration. C. Making all parts of a product recyclable. D. Manufacturing products to be smaller and lighter. - Answer-D. Manufacturing products to be smaller and lighter. Some special types of plastics are ________________; that is, they will break down after exposure to sunlight. A. phytodegradable B. photodegradable C. biodegradable D. photo recyclable - Answer-B. photodegradable Using raw materials in manufacturing that produce less waste is an example of which of these processes? A. recycling B. composting C. source reduction D. industrial reuse - Answer-C. source reduction Which of these is the most underutilized, yet probably most effective, means of reducing waste? A. recycling of materials B. incineration C. reusing products D. source reduction - Answer-D. source reduction Integrated waste management operates on which basic principle? A. There is no "one single way" to treat all waste. B. Reuse and recycling can reduce all waste to negligible amounts. C. Municipal waste can be ignored; industrial waste deserves all our attention. D. All material should be recycled. - Answer-A. There is no "one single way" to treat all waste. The USA currently recycles about A. 33% of its glass containers. B. 60% of its glass containers. C. 22% of its glass containers. D. 45% of its glass containers - Answer-A. 33% of its glass containers. Which of these terms best applies to hazardous waste as a pollutant? A. acts as a greenhouse gas B. dangerously reactive, toxic, or carcinogenic C. provides overnutrition to algae D. increases biochemical oxygen demand (BOD) - Answer-B. dangerously reactive, toxic, or carcinogenic At Love Canal, New York, what did the predominant problem with hazardous waste result from A. waste leached from mine tailings. B. mass incineration of waste. C. ground seepage from buried waste. D. precipitation contained airborne waste. - Answer-C. ground seepage from buried waste.