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

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A 2 inch trap arm is installed with a developed length of 3 inches from the trap weir to the inner edge of the vent. Does UPC 2021 Section 1002.2 permit that length?

Yes, because any trap arm may be up to 6 feet Yes, because 3 inches exceeds the 4 inch minimum No, because a 2 inch trap arm must be at least 24 inches long No, because the minimum trap-arm length is two times the pipe diameter (4 inches) and the maximum for 2 inch is 60 inches

Correct Answer:

No, because the minimum trap-arm length is two times the pipe diameter (4 inches) and the maximum for 2 inch is 60 inches

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