Practice Quiz

Green Plumbing - Question List

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276. HVAC recovery harvesting tanks should be chosen and sized on generally the same principles as those for which other type of alternative water source?
  1. Graywater
  2. Rainwater
  3. On-site treated wastewater
  4. None of the above
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277. Which of the following is not a factor in choosing whether to install an on-site septic system?
  1. Laws and regulations
  2. Soil type
  3. Water table
  4. All of the above are factors
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278. Which types of soils are best for on-site wastewater treatment systems?
  1. Clay soils
  2. Sandy soils
  3. Soils with high organic matter
  4. Any of the above
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279. What is the recommended minimum depth to water table level for an on-site wastewater treatment system?
  1. 18 inches
  2. 42 inches
  3. 60 inches
  4. Depends on other factors
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280. Which of the following is not a component of a conventional long-term on-site wastewater treatment system?
  1. Cesspool
  2. Cleanout
  3. Inspection cover
  4. Leach line
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