IAAI CFI Study Questions (2025)

IAAI CFI Study Questions (2025)
1. CombustibleLiquid:AliquidwithaflashpointABOVE100F .1, ,
.1 ,
.1 .1, ,
.1 ,
.1 ,
.1 ,
.1 .1,




2. 12.5: If the current flowing out from an electrical panel is 12.5 amps, and it then
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flows throughan electrical load of1500 watts, whatis the amperageof the
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remaining current flow of the return circuit?
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3. 1000:If a hairdryerdraws8.3amps(in a home with120-voltservice), whatis the .1, .1, .1, .1, .1, .1, .1, .1, .1, .1, .1, .1, .1 , .1, .1,




wattage?
.1,




*Power(P)=current(I)xvoltage (V) Watts .1, .1, .1, .1, .1, .1, .1, .1,




= amps x volts
.1, .1, .1, .1,




4. 1987:TheyearofthefirsteditionofNFPA1033 .1, .1, .1, .1, .1, .1, .1, .1, .1,




5. 1.5times:The recommendeddistanceforsecuringtheperimeterofa blast scene
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*Thatis,thedistancefromthefurthestdebris
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6. 1100°F:Whattemperaturein the uppergaslayercausestheonset of .1, .1, .1, .1, .1 , .1, .1, .1, .1, .1, .1 ,




Flashover?
.1,




7. 1960°F:Thetemperatureatwhichcoppermelts ,
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.1 .1, .1, ,
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8. 2 W/cm2: The measurement of the radiant heat flux (from gas layer to the floor)
.1, .1 , .1, .1, .1, .1, .1, .1 , .1, .1, .1, .1 , .1, .1,




that indicates the onset of flashover
.1, .1, .1, .1, .1, .1,




9. 240 volts: The voltage between the two hot wires at the service entrance
.1, .1, .1, .1, .1, .1, .1, .1, .1, .1, .1, .1,




cables in most single-family residences in the United States (single-phase
.1, .1, .1, .1, ,
.1 .1, .1, .1, .1, .1 ,




service with three wires)
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10. 3years:TherevisioncycleforNFPA921(timespan)
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.1 .1, .1, ,
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11. 350°F:Theflashpointofpowersteeringfluid ,
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.1 .1, ,
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.1




12. 35-70 p.s.i.: In high-pressurefuel-injectedvehicles,thisis the typicalrangeof .1, .1, .1, .1, .1, .1, .1, .1 , .1, .1, .1,




pressure that is used to pump fuel from a fuel tank
.1, .1, .1, .1, .1, .1, .1, .1, .1, .1, .1,




13. 5 and17: The lower explosive and upperexplosivelimitofnatural gas
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(methane)?
.1,




14. 680°F:Theignitiontemperatureofpowersteeringfluid ,
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.1 ,
.1 ,
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.1




15. Fuel:Anysubstancethatcanundergocombustion ,
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16. Act or Omission:Two factors or situations leadingto a fire thatmayshowthe nature
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of the incident responsibility.
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17. AdditionalInvestigativeRecommendations:Thisconceptshouldnotbe .1, .1, .1, .1, .1, .1, .1,




included in a summary report of findings.
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18. AdmiraltyLaw:Alawthatmaygovernthefireinvestigationofaboat ,
.1 .1, .1, .1, .1, .1, ,
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.1, .1 ,

, .

19. After-marketEquipment:A type ofdevicein a vehicle,which can causean .1, .1, .1, .1, .1, .1, .1, .1, .1, .1, .1, .1,




electrical overload to factory installed wiring
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20. Alive and Breathing: Evidence of smoke or soot in the lungs, bronchi, and
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trachea is one of the mostsignificantfactorsin confirming that,at the time of the
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fire, the victim was WHAT?
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21 AllTeamMembers:Those whohavetheresponsibilityfor monitoring safety condition
.1, .1, .1, .1, .1 , .1, .1, .1, ,
.1 .1, .1, .1,




at the fire or explosion scene
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22. 1220°F:Themeltingtemperatureofaluminum ,
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.1




23. Aluminum-to-pavementsparks: WhichoneoftheseisNOTconsidereda .1, .1, .1, .1, .1, .1, .1, .1, .1,




competent ignition source? Metal-to-metal sparks,
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Aluminum-to-pavementsparks, ,
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Metal-to-pavement sparks,
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Motor bearing sparks
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24. HeatRelease Rate:Ameaningfulanalysisofa firerequiresan understanding of the
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fire growth, the total heat released, and WHAT?
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25. Arc-faultcircuitinterrupter:Whatdoeshe term AFCIstand for? And, the"A" .1, .1, .1, .1, .1, .1, .1 , .1, .1, .1 , .1, .1,




specifically represents what?
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26. ASTM:Theorganizationthatdevelopsstandardmethodsfortestingmaterials ,
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27. Auto-ignition:Initiationofcombustionbyheatbutwithoutasparkorflame ,
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.1 .1, .1, .1, .1, ,
.1 .1,




28. Backdraft: A deflagration resulting from the sudden introduction of air into a .1 , .1, .1 , .1 , .1 , .1 , .1 , .1, .1, .1, .1,




confined space containing oxygen-deficient products of incomplete combustion
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29. Backdraft: An explosion caused by a combination of combustiblematerials
.1, .1, .1, .1, .1, .1, .1, .1, .1, .1, .1,




heatedto the ignitionpointandasuddenintroductionof oxygen to support
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combustion .1,




30. Backfire Flame Arrestor:Aboat devicethatownersfailto keepclean, which is a .1 , .1 , .1, .1, .1 , .1, .1, .1, .1, .1, .1, .1 , .1, .1 ,




frequent cause of engine compartment fires on boats
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31. Ballast:Adeviceona fluorescentlightfixturethat transformsthevoltagefrom .1, .1, .1, .1, .1, .1, .1, .1, .1 , .1, .1, .1,




normal household voltage to a higher voltage
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32. Battery:Thestartermotordrawsitsenergyfromthissource .1, .1, .1, .1, .1, .1, ,
.1 .1, .1,




33. BeyondaReasonableDoubt:Theburdenofproofinacriminaltrial ,
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.1 .1,




34. BimetallicThermostats:Thecomponentthatcontrolstemperatureinmany .1, .1, .1, .1, .1, .1, .1, .1,




heat-producing appliances
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35. BLEVE:Thismayoccur whenthe vaporpressure ofa liquidexceeds .1, .1, .1, .1, .1, .1 , .1, .1, .1, .1, .1,




atmospheric pressure
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*Andthisisthemostcommonmechanicalexplosion
,
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.1, .1 ,

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36. BoilingPoint: The temperature orpoint at whichthe vaporpressure ofa liquid .1, .1 , .1, .1 , .1, .1 , .1, .1, .1, .1, .1, .1, .1,




equals the external pressure applied
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37. Bonding: The process of electrically connecting two or more conductive .1, .1, .1, .1, .1, .1, .1, .1, .1,




objects38. BottomPassenger Side oftheWindshield: Mostenginefires
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typically penetrate the interior compartment at this location of the vehicle
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39.Brass Prongs (maleends): An investigator can closelyexaminethis component of
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a cord to determine if it was plugged into a receptacle
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40Calcination: Thechemicalandphysicalchangesthatoccuringypsum wallboard
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surfaces during a fire
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41. CarbonMonoxide:Anarcoticgasthatonemightbeexposedtointhefire .1, .1, .1, ,
.1 .1, ,
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.1 .1, .1, .1, .1, .1, .1,




42. CarbonMonoxide: The levelsofthistoxin dissipateovertimeafter removal from .1, .1 , .1, .1, .1, .1, .1, .1, .1, .1, .1, .1,




the fire environment. .1, .1, .1,




43. CarbonMonoxidePoisoning: This toxicconditiondoesNOT causea cherry- pink .1, .1, .1, .1 , .1, .1, .1 , .1, .1, .1, .1,




coloration to the skin of the fire victim and is NOT visible on all skin types
.1, .1, .1, .1, .1, .1, .1, .1, .1, .1, .1, .1, .1, .1, .1, .1,




44. CarburetorBackfire:Thisoccurrenceisthemostcommonopen-flame .1, .1, .1, .1, .1, .1, .1, .1,




ignition source in non-fuel injected vehicles
.1, .1, .1, .1, .1, .1,




45. Ceilingjet: Whenthe fire plume reaches the ceilingof a room and moves .1, .1 , .1, .1, .1, .1, .1 , .1, .1, .1 , .1, .1 , .1,




laterally along the ceiling
.1, .1, .1, .1,




46. Christmas Tree: Anitem in the homethatburnsat a peak HRR of 3000- .1 , .1, .1, .1, .1, .1, .1, .1, .1, .1 , .1, .1, .1 , .1,




5000kW, which is hotter than a pool of gasoline or a polyurethane chair
.1, .1, .1, .1, .1, .1, .1, .1, .1, .1, .1, .1, .1,




47. CleanBurn: This occurswhen intense radiated heatordirectflame contacts a .1, .1, .1 , .1, .1, .1, .1, .1, .1, .1, .1, .1,




surface during the fire, burning away deposits
.1, .1, .1, .1, .1, .1, .1,




48. Collapsed Furniture Springs: This is a fire effect to furniture that does NOT .1, .1, .1 , .1, .1, .1, .1, .1, .1, .1, .1, .1 ,




provide the investigators with clues concerning the type of ignition source, but can show
.1, .1, .1, .1, .1, .1 , .1, .1, .1, .1, .1, .1, .1, .1,




fire spread and intensity
.1, .1, .1, .1,




49. Color: A fire characteristic that isNOT necessarily an accurate indicatorof the .1, .1, .1, .1, .1, .1, .1, .1 , .1, .1, .1, .1,




flame temperature
.1, .1,




50. ColorCodes: Thisfeaturedistinguishes the heat-sensitivebulbsofsprinkler .1, .1 , .1, .1, .1, .1, .1, .1, .1,




heads from each other
.1, .1, .1, .1,




51. Combustion:A chemical processofoxidation, whichoccursataratefast .1, .1, .1, .1, .1, .1, .1, .1, .1, .1, .1,




enough to produce heat and usuallylight in the form of either a glow or a flame
.1, .1 , .1, .1, .1, .1, .1, .1, .1, .1 , .1 , .1, .1 , .1, .1 , .1 , .1,




52. Compartmentation: A buildingdesignfeaturethataims to limitthe fire to its origin. .1 , .1, .1, .1, .1, .1, .1 , .1 , .1, .1, .1, .1 , .1,




53. CompetentIgnitionSource: Locatedatthe origin,theseshouldbe .1, .1, .1, .1, .1, .1, .1, .1, .1,




considered individually during the development of a cause hypothesis
.1, .1, .1, .1, .1, .1, .1, .1, .1,




54. Complete PPE: This should be donned when dealing with hazardous .1, .1, .1, .1, .1, .1, .1, .1, .1,




chemicals 55. Conduction: Anexampleofheattransfer,when the heatingofa steel
.1, .1, .1 , .1, .1, .1, .1, .1, .1, .1, .1, .1, .1, .1,




beam to an unexposed part of a building results in a fire in that location
.1, .1, .1, .1, .1, .1, .1, .1, .1, .1, .1, .1, .1, .1, . 1,




3/ .1, g .1 , g


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