Thoát nước, Nước thải & Thông hơiCâu 88 / 360
What is the minimum diameter permitted for any vent pipe?
a.2 inches
b.1 inch
c.3 inches
d.1-1/4 inch
Giải thích
No vent pipe may be less than 1-1/4 inch in diameter regardless of the drain it serves. A 1 inch vent is below the code floor. The 2 inch and 3 inch values are minimums for larger drains, not the absolute minimum for any vent.
Trích dẫn luật: 2022 California Plumbing Code (CPC) §904.0Luyện miễn phí toàn bộ 360 câu hỏi — không cần đăng ký.
Câu hỏi liên quan cùng chủ đề
- A combination waste and vent system is typically used for:
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- A horizontal branch serves two lavatories (1 DFU each), one kitchen sink (2 DFU), and one bathtub (2 DFU). What is the total DFU and minimum branch size?
- A horizontal drain run is 80 feet long at 1/4 inch per foot slope. What is the total fall over the run?
- A 3 inch drain runs 48 feet at the minimum slope of 1/8 inch per foot. What is the total fall?
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