Practice Quiz

Green Plumbing - Question List

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201. Which of the following requires the most heat gain?
  1. Incoming water temperature of 60⁰ F to heat a swimming pool to 85⁰ F
  2. Incoming water temperature of 50⁰ F to heat water in a water heater to 125⁰ F
  3. Both require equal heat gain
  4. Cannot answer with the information available
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202. Under optimum conditions, which of the following describes the rules of thumb for sizing a solar thermal system?
  1. 35 gallons per person per day - 1.0 ft2of collector surface per gallon - 3.0 gallons storage per ft2 of collector surface
  2. 30 gallons per person per day - 1.5 ft2of collector surface per gallon - 2.0 gallons storage per ft2 of collector surface
  3. 20 gallons per person per day - 1.0 ft2of collector surface per gallon - 1.5 gallons storage per ft2 of collector surface
  4. None of the above
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203. Which of the following is not a consideration in determining the potential demands on a solar thermal collector system?
  1. Presence or absence of dishwasher
  2. Number of bedrooms
  3. Number of bathrooms
  4. None of the above - all are considerations
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204. Which of the following is not a consideration in determining whether to mount the solar thermal collector system on the roof or on the ground?
  1. Roof pitch
  2. Ground soil permeability
  3. Roof age
  4. Load bearing walls underneath roof, or not
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205. Each of the following is a factor in identifying the ideal orientation for a solar thermal water heating system, except:
  1. Possible storage tank locations
  2. Possible collector locations
  3. Life expectancy of the system
  4. Household/building demand for hot water
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