Practice Quiz

LEED Green Associate

Category - Water

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Flow rates of low-flow fixtures are measured in:
  1. gallons per flush
  2. gallons per minute
  3. gallons per second
  4. pounds per square inch
Explanation
Answer: D - Low flow fixtures are measured in pounds per square inch (psi). The greater the pressure pushing water through pipes and plumbing fixtures (i.e. showerheads, faucets and toilets), the greater the volume of water forced out. High water pressure (80 psi, for example) will push a greater amount of water through a showerhead than low water pressure (such as 20 psi).
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