Practice Quiz

Green Plumbing - Question List

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176. Which of the following is not a positive aspect of using rainwater as an alternate water source?
  1. Lowered water costs
  2. Simple system maintenance
  3. Provides additional ready drinking water supply
  4. Lowered requirements for groundwater
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177. Which of the following is not a drawback of using rainwater as an alternate water source?
  1. Initial high cost
  2. Decreased flooding and soil erosion
  3. Limited rainwater storage capacity
  4. Inability to count on amount of rainfall
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178. Which of the following is not a basic component of a rainwater catchment system?
  1. Collection gutters
  2. Overflow port
  3. Ultraviolet purification system
  4. Water filter
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179. Which of the following components of a cistern-based rainwater collection system is a part of the cistern itself?
  1. Collection gutters
  2. First-flush diverter
  3. Inlet screen
  4. Pump
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180. To treat harvested rainwater to the point where it is suitable as drinking water in addition to its nonpotable uses, which extra end-of-treatment components are necessary?
  1. Ultraviolet light unit
  2. Membrane filtration system
  3. Distillation unit
  4. Any of the above
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