Practice Quiz

Green Plumbing - Question List

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81. Which of the following energy sources offers the advantage of being readily available?
  1. Geothermal
  2. Hydroelectricity
  3. Natural gas
  4. Wave/tidal
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82. Which of the following energy sources offers the advantage of no greenhouse gas emissions?
  1. Biomass
  2. Natural gas
  3. Wind
  4. None of the above
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83. Which of the following energy sources has the disadvantage of affecting wildlife populations?
  1. Hydroelectric
  2. Wind
  3. Natural gas
  4. All of the above
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84. What is the term for a gas water heater that either lacks a vent or has only a small vent?
  1. Condensing type
  2. Cool-exhaust type
  3. Ventless type
  4. None of the above
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85. All of the following are active (as opposed to passive) techniques for converting solar energy into useful outputs, except:
  1. Fans
  2. Orienting building to the sun
  3. Photovoltaics
  4. Solar thermal collectors
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