CFEI Practice Questions - Certified Fire And Explosion Investigator Exam

Which of the following best describes the fire tetrahedron?

Fuel, heat, oxygen, and water Fuel, heat, oxygen, and a chemical chain reaction Fuel, heat, carbon dioxide, and a chemical chain reaction Fuel, ignition source, ventilation, and containment

Correct Answer:

Fuel, heat, oxygen, and a chemical chain reaction

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