Thoát nước, Nước thải & Thông hơiCâu 111 / 360
In a wet-vented bathroom group, a wet-vent section carrying 4 DFU must be at least what size?
a.1-1/4 inch
b.1-1/2 inch
c.2 inch
d.3 inch
Giải thích
For wet venting, a section carrying 3 to 4 DFU must be at least 2 inches. Sections carrying 1 to 2 DFU may be 1-1/2 inch. A 1-1/4 inch pipe is below the wet-vent minimum, and 3 inches is larger than required for 4 DFU.
Trích dẫn luật: 2022 California Plumbing Code (CPC) §908.0Luyện miễn phí toàn bộ 360 câu hỏi — không cần đăng ký.
Câu hỏi liên quan cùng chủ đề
- A 2 inch building drain sloped at 1/4 inch per foot is permitted a maximum load of how many DFU?
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- A common vent may serve how many fixtures connected at the same level?
- A fixture is 5 feet from its vent, but the trap arm is 1-1/2 inch, which allows only 3 feet 6 inches. The correct fix is to:
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