ASTTBC RFPT — Portable Fire Extinguishers (EX) · Question
During the inspection of a carbon dioxide (CO2) extinguisher, the technician finds the shell has a small dent. According to NFPA 10, which condition requires a cylinder to be hydrostatically tested or condemned?
NFPA 10, Section 8.3.1 requires CO2 extinguishers to be hydrostatically tested every 5 years. Any cylinder showing signs of physical damage like deep dents or c
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Question: During the inspection of a carbon dioxide (CO2) extinguisher, the technician finds the shell has a small dent. According to NFPA 10, which condition requires a cylinder to be hydrostatically tested or condemned?
Answer options: ✅ The cylinder is due for its 5-year test
- The cylinder has been moved from its original bracket
- The extinguisher shows signs of surface scratches in the paint
- The cylinder was manufactured by a company no longer in business
Correct answer: The cylinder is due for its 5-year test
Explanation: NFPA 10, Section 8.3.1 requires CO2 extinguishers to be hydrostatically tested every 5 years. Any cylinder showing signs of physical damage like deep dents or corrosion must also be tested or condemned per Section 8.4.2.
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