Green Plumbing - Question List

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156. About how much water softener discharge (brine) is discharged per regeneration cycle?
  1. 40 gallons
  2. 85 gallons
  3. 150 gallons
  4. 200 gallons
157. What are two main types of tests in inspecting for water leaks in and around household plumbing fixtures?
  1. Water meter registration test and blotter absorbency test
  2. Leak detection dye kits and water meter registration test
  3. Leak detection dye kits and blotter absorbency test
  4. Water meter registration test and moisture monitoring test
158. Which of the following are water-conserving devices that may be documented in a home water usage inspection report?
  1. Efficient toilets
  2. Dishwasher hose restrictors
  3. Faucet aerators
  4. A and C only
159. What was one of the most effective water-saving toilet designs prior to the standards set in the National Energy Policy Act of 1992?
  1. Tank-reducer system to block part of the toilet tank’s water capacity
  2. Duoset system with two buttons for different water volumes per flush
  3. Pipe restriction system to slow the tank refill process
  4. Bowl water level monitoring system
160. What was the most significant problem with early “low-flush” toilets?
  1. Splash-back
  2. Required multiple flushes to fully evacuate waste
  3. Complicated retrofit installation
  4. None of the above

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