Practice Quiz

Green Plumbing - Question List

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261. Which is a commonly-used type of graywater capture and delivery system for irrigation?
  1. Reverse osmosis
  2. Laundry-to-landscape
  3. Branched drain
  4. B and C above
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262. Each of the following is a method for reusing graywater for toilet-flushing, except:
  1. Bucket of graywater into toilet tank
  2. Gutter diverter through exterior wall into toilet tank
  3. Shower/tub drain diverter to toilet
  4. Toilet lid retrofit into sink
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263. Which of these graywater capture and delivery products or components is required for system functionality?
  1. Pump
  2. Pipes/tubing
  3. Storage tank
  4. B and C above
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264. All of the following are common errors in the installation and use of a graywater system, except:
  1. Excessively intricate systems that add no value
  2. Heeding local regulations and recommendations for system design
  3. Setting up graywater irrigation for lawns
  4. Using potable water plumbing design and fittings
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265. Which of the following is a best management practice in working with graywater?
  1. Avoid graywater from washing diapers or greasy rags.
  2. Use only where groundwater is at least 12 inches below the surface.
  3. Water lawns and landscaping only with flood or drip irrigation.
  4. A and C above
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