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

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A 2 inch trap arm on an isometric turns 90 degrees horizontally with a long-sweep 90 and has no cleanout on the arm. UPC 2021 Section 1002.3:

Permits a trap-arm change of direction not exceeding 90 degrees without a cleanout; 3 inch and larger arms may change up to 135 degrees without a cleanout Requires a cleanout for any change of direction on a trap arm Permits a 180 degree trap-arm turn without a cleanout Forbids any fitting on a trap arm

Correct Answer:

Permits a trap-arm change of direction not exceeding 90 degrees without a cleanout; 3 inch and larger arms may change up to 135 degrees without a cleanout

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