NFPA 921 Fire and explosion investigations Questions and Verified Answers 2025 Update

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NFPA 921 Fire and explosion investigations | Q&A Latest 2025/2026 | 100% PASS Absolute Temperature - Answer -A temperature measured in Kelvins (K) or Rankines (R). Accelerant - Answer -A fuel or oxidizer, often an ignitible liquid, intentionally used to initiate a fire or increase the rate of growth or spread of fire. Accident - Answer -An unplanned event that interrupts an activity and sometimes causes injury or damage or a chance occurrence arising from unknown causes; an unexpected happening due to carelessness, ignorance, and the like. Active Fire Protection System - Answer -A system that uses moving mechanical or electrical parts to achieve a fire protection goal. Ambient - Answer -Someone's or something's surroundings, especially as they pertain to the local environment; for example, ambient air and ambient temperature. Ampacity - Answer -The maximum current, in amperes, that a conductor can carry continuously under the conditions of use without exceeding its temperature rating.