Planning & EstimatingCâu 554 / 700
On a new residential project subject to CALGreen, a submitted showerhead is rated at 2.5 gallons per minute. What is the BEST assessment of water-efficiency compliance?
a.It complies because 2.5 gpm is the current standard
b.It complies only in commercial buildings
c.It fails because the maximum residential showerhead flow is lower, around 1.8 gpm
d.Flow rate is not regulated for showerheads
Giải thích
California water-efficiency standards cap residential showerhead flow well below 2.5 gpm; the current maximum is about 1.8 gpm at the rated pressure. A 2.5 gpm head does not comply and should be replaced. Option a cites an outdated federal figure. Option b misstates the scope. Option d ignores the requirement. Verify plumbing fixture flow rates against the current maximum flow limits.
Trích dẫn luật: 2025 California Green Building Standards Code §4.303Luyện miễn phí toàn bộ 700 câu hỏi — không cần đăng ký.
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