Thiết bị & Bình nước nóngCâu 200 / 360
A properly installed closet flange should sit at what position relative to the finished floor?
a.at least 1 inch below the finished floor
b.flush only when the floor is tile
c.on top of, or flush with, the finished floor
d.recessed 2 inches into the subfloor
Giải thích
The closet flange should rest on top of the finished floor so the water closet can seal correctly with the wax ring. A flange set too low leaves a gap the wax cannot bridge, causing leaks. Extension rings are used when flooring raises the floor level.
Luyện miễn phí toàn bộ 360 câu hỏi — không cần đăng ký.
Câu hỏi liên quan cùng chủ đề
- Which statement about traps on plumbing fixtures is correct?
- A standard fixture trap must maintain a liquid seal of not less than 2 inches and not more than:
- When setting a floor-mounted water closet, the connection to the closet flange must be made:
- What is the primary purpose of the wax ring used when setting a water closet?
- An accessible (ADA/CBC) water closet must have the top of the seat at what height above the finished floor?
- An accessible lavatory must provide knee and toe clearance underneath. The minimum height of the knee clearance space at the front edge is typically:
Cập nhật gần nhất: · quy trình kiểm tra
Đội Ngũ Biên Tập PrepPass · Đối chiếu với California CSLB C-36 Plumbing Trade Examination · Quy trình kiểm tra