IAAI CFI & NFPA 921 Final Exam Questions and Answers Latest Updated 2024/2025 | Graded A+

"Rule of Nines" Medical concept, where major body areas are represented by increments of 9% *For example the head equals 9% 109F In hyperthermia, what core body temperature is generally fatal within minutes unless treated? 4.0 to 10 w.c. The typical water column range for gas service lines 4th Amendment The amendment concerning search and seizure *Remember "knocking" 5th Amendment The amendment concerning pleading, grand jury and double jeopardy IAAI CFI & NFPA 921 Final Exam Questions and Answers Latest Updated 2024/2025 | Graded A+ *Remember "hand over mouth" 6th Amendment The amendment concerning speedy trial, impartial, right to counsel, and face witness *Remember "point to wrist watch" Absolute The temperature scale based on the lowest possible temperature of absolute zero Acute A type of toxicity exposure that involves a one time exposure at a high level Advancing The burned section of a wildfire that an investigator should enter first in order to begin examining the wildfire Aerial Layer The layer in wildfire investigations, which begins at six feet above and up and includes branches, tree moss, and leaves Ambient Wind The factor or force that can potentially overcome the fire's tendency to burn uphill, and in turn force the fire to burn downhill Ampacity Conductor capacity Ampere Unit of electrical current Arc Luminous electrical discharge across a gap Arc Mapping An electrical analysis that is fundamentally pattern recognition Arcing An electrical event that is typically too brief and localized to be a competent ignition source Arson From the standpoint of investigative preparation, documentation, and scene control etc., every fire should be approached as if it is potentially what type of fire? Arson Motives Vandalism, excitement, revenge, crime concealment, profit, extremism, and pyromania are seven types of what? ASTM E1618 What standard governs evidence collection for accelerant testing? Auto-ignition Temperature The minimum temperature at which combustible substance ignites without spark or flame Axisymmetric Plume A fire plume in the center of the room with no wall interface Backdraft A low-order explosion that is the result of an oxygen-depleted fire that produces high concentrations of incomplete combustion products, with a sudden mixture of air into the accumulated fuels Battery The only source of electricity in a vehicle when the engine is not running Blast Pressure Front The expanding leading edge of explosion reaction, which is primarily responsible for explosion damage and injuries BLEVE The most frequently encountered mechanical explosion BLEVE An event that occurs when a vessel's contents are liquid and heating causes the liquid to exceed its boiling point and failure of the vessel occurs Rapid Boiling This is the mechanism in a Mechanical Explosion, along with the expansion of pressurized gas Bow The front of a boat Breaker Panel In an electrical system, this device primarily functions as a main cutoff, electrical protection, and power distribution Buoyant Force A force that is generated by temperature differences *Due to hot air rising because its less dense Buoyant Force Fire plumes, ceiling jets and vent flows are examples of what type of force at work during a fire? Cable Staple This structural component cannot be driven through insulation when properly installed 252 Calories & 1055 Joules One BTU is equal to ________ calories *Which is equal to _________ Joules Carbon Dioxide A type of suppression agent that is effective because it is non-corrosive, residue-less, non-conductive, and universally useful on most combustibles Carbon Monoxide Binds with hemoglobin in the blood approximately 250 times greater than oxygen Cascading Another name for a secondary or subsequent explosion Catalytic Convertor and Turbocharger Name the other two hottest components in a vehicle, other than the exhaust system. Changed or Transferred One law of energy says that energy can not be created or destroyed; but can only be what? Chemical Explosion Flammable gases, vapors of ignitable liquids, combustible dusts, backdraft explosion, and aerosols are examples of fuels often involved in what type of explosion? Chronic A type of toxicity exposure that involves a low-level of continuous exposure Closed The type of electrical system that involves a current flowing in a loop or complete circuit. Combustibles These materials produce essentially the same flame temperature as ignitable liquids. Combustion A rapid oxidation process, as opposed to slow oxidation Commercial Propane A type of gas that is liquefied under pressure for storage and is heavier than air (1.5 to 2.0 vapor density) Condensed-Phase Explosive A solid explosive that is characterized by high pressures, crushing effects, and typically pronounced seats Condensed-Phase Explosion Explosions involving a solid--as opposed to a diffuse fuel--in which the fuel and oxidizer is mechanically mixed or the material itself can be rapidly and molecularly converted Conductors These provide a pathway for current to flow in an electrical system Congestion and Confinement These two conditions are essential for an outdoor vapor cloud explosion to occur, otherwise the ignition of the flammable cloud would merely produce a flash fire Connection Points The typical location on a circuit where electrical overheating is most likely to occur (eg. loose connection or resistive oxide at the connection) Contamination Inhalation, cutaneous, ingestion, injection and ocular are the five routes of what? Convertor A device in an RV that transforms AC to DC Cumulative A type of toxicity exposure that involves repeated exposure over time Cupping A fire pattern in a wildfire, where the grass or foliage is beveled on the side facing the fire Curiosity The most common reason for children playing with fire Daubert Challenge A legal challenge to the reliability of expert's opinions, utilized to discover the method's testability, peer-reviewed, error rate, and community acceptance Dead Load The weight of the building's materials