NM CID MM-1 Practice Questions - New Mexico CID MM-1 Plumbing Examination Exam

Access More Questions

A 3 inch vertical stack receives two private 1.6 gpf water closets (3 DFU each), two lavatories (1 DFU each), one bathtub (2 DFU), one shower (2 DFU), and one kitchen sink (2 DFU). The stack then turns horizontal as the building drain. What is the smallest Table 703.2 pipe that may continue as that horizontal building drain?

3 inch, because 14 DFU is under 35 DFU and only two water closets are connected 2 inch, because 14 DFU is under 16 DFU 4 inch, because any water closet requires a 4 inch building drain 4 inch, because 14 DFU exceeds the 3 inch horizontal limit

Correct Answer:

3 inch, because 14 DFU is under 35 DFU and only two water closets are connected

Access more questions from this quiz

Continue to NM CID MM-1 Practice Questions - New Mexico CID MM-1 Plumbing Examination Exam for more practice questions and the full quiz experience.

Access More Questions