ASTTBC RFPT — Portable Fire Extinguishers (EX) · Question
Which of the following conditions mandates that a stored-pressure fire extinguisher be immediately hydrostatically tested, regardless of its last test date?
Per NFPA 10, Section 8.4.2, if a cylinder or shell has been repaired by soldering, welding, or shows evidence of heat damage (e.g., from a fire), it must be hyd
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Question: Which of the following conditions mandates that a stored-pressure fire extinguisher be immediately hydrostatically tested, regardless of its last test date?
Answer options:
- The extinguisher has been discharged and requires a recharge.
- The pressure gauge is showing a pressure 10% below the green operating zone. ✅ The cylinder shows evidence of localized heat damage or repair by soldering.
- The pull pin is missing or the tamper seal is broken.
Correct answer: The cylinder shows evidence of localized heat damage or repair by soldering.
Explanation: Per NFPA 10, Section 8.4.2, if a cylinder or shell has been repaired by soldering, welding, or shows evidence of heat damage (e.g., from a fire), it must be hydrostatically tested or condemned before being returned to service.
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