Exam CFPE Topic 5 Question 19 Discussion

Actual exam question for NFPA's CFPE exam
Question #: 19
Topic #: 5
A 4 in. (101.6 mm) riser requires what minimum diameter pipe for the combination mam drain and alarm test connection?

Suggested Answer: B Vote an answer

For a 4-inch (101.6 mm) riser, the minimum diameter pipe for the combination main drain and alarm test connection should be 1 inch (25.4 mm). This size is specified to ensure adequate water flow during a test or when draining the system, in accordance with NFPA 13, Standard for the Installation of Sprinkler Systems.

by Afra at Mar 03, 2025, 11:16 AM

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