IAAI Definitions Study Guide for CFI
Exam questions & answers.
FIRE ANS -A rapid oxidation process resulting in the evolution of light and heat.
Energy ANS -The ability of matter to perform work by moving objects or transforming heat.
Entrainment ANS -The process of air or gases being drawn into a fire plume.
Fire Effects ANS -Observable or measurable changes in materials due to fire.
Fire Dynamics ANS -The study of how chemistry, fire science, fluid mechanics, and heat transfer interact
to influence fire behavior.
Fire Patterns ANS -Visible or measurable physical changes or shapes formed by fire effects.
Fire Spread ANS -The movement of fire from one place to another.
Flame ANS -A body or stream of gaseous material involved in the combustion process and emitting
radiant energy.
Flame Front ANS -The leading edge of a propagating combustion reaction zone.
Explosion ANS -The sudden conversion of potential energy into kinetic energy with the release of gases
under pressure.
Empirical Data ANS -Factual data based on measurements or direct sensory experiments.
, Drop Down ANS -The spread of fire by the falling of burning materials.
Deflagration ANS -The propagation of a combustion zone at a velocity less than the speed of sound.
Current ANS -The flow of an electrical charge.
Convection ANS -Heat transfer by circulation within a medium like gas or liquid.
Conduction ANS -Heat transfer to another object through direct contact.
Thermal Runaway ANS -The instability that occurs when heat generation exceeds heat loss within a
material.
Explosible ANS -A material with a pressure ratio at ignition equal to or greater than 2.0 in any
explosibility test.
Detonation ANS -The propagation of a combustion zone at a velocity greater than the speed of sound.
Clean Burn ANS -A distinct fire effect on noncombustible surfaces after burning off combustible layers.
BLEVE ANS -Boiling liquid expanding vapor explosion.
Explosion Dynamics ANS -The study of how chemistry, physics, fluid mechanics, and heat transfer
interact to influence explosion behavior.
Explosive Material ANS -Any material that can act as a fuel for an explosion.
Exposed Surface ANS -The side of a structure or object directly exposed to fire.
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