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NFPA CWBSP Exam - Topic 4 Question 29 Discussion
Actual exam question for
NFPA's
CWBSP exam
Question #: 29
Topic #: 4
[All CWBSP Questions]
Topic #: 4
Antifreeze systems that contain a backflow preventer between the antifreeze piping and the wet pipe system must be
equipped with
Suggested Answer:
D
Antifreeze systems equipped with a backflow preventer must include an expansion chamber to accommodate the expansion of the antifreeze solution due to temperature changes. This prevents excessive pressure buildup that could damage the system or cause unintended discharge.
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