Practice Quiz

Green Plumbing - Question List

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96. Which of the following is a house construction and design trend that has affected hot water delivery?
  1. Larger houses mean longer travel distance from water heater to farthest fixtures
  2. Greater number of plumbing-related fixtures on average
  3. More fixtures served by the trunk line
  4. All of the above
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97. With regard to hot water lines, which of the following is a synonym for twig line?
  1. Small-diameter trunk line
  2. Fixture branch
  3. Branch line
  4. None of the above
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98. Which of the following practices is the most feasible and cost-effective means of creating a hot water distribution system that delivers hot water to each fixture within a very small volume after turning it on?
  1. Use two or three distributed water heaters per home/building
  2. Install a circulation loop one cup from each hot water fixture
  3. Install separate, appropriately-sized water heaters for each fixture
  4. Build homes/buildings with central core heating
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99. Which of the following affect the speed of hot water flow to a fixture?
  1. Whether the fixture has one or two handles
  2. Whether the hot water pipe is insulated or not
  3. Whether the pipe diameter fits the water flow to the fixture
  4. B and C above
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100. In a 2013 nationwide survey of 1,020 respondents, which personal water-related action was perceived as “most effective” for conserving water by a plurality of respondents?
  1. Take shorter or fewer showers
  2. Turn off water while brushing teeth
  3. Do fewer and/or fuller loads of laundry
  4. Do less lawn-watering
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