IAAI-CFI Practice Questions - IAAI Certified Fire Investigator Exam

A backdraft is most likely to occur when:

A small kitchen fire is extinguished by a sprinkler within seconds A ventilation-controlled fire with abundant unburned pyrolysis gases suddenly receives a new air supply An outdoor brush fire reaches a clearing with reduced fuel A fully ventilated fire reaches the decay stage with low temperatures

Correct Answer:

A ventilation-controlled fire with abundant unburned pyrolysis gases suddenly receives a new air supply

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