IAAI CFI Study Questions (2025)
1. CombustibleLiquid:AliquidwithaflashpointABOVE100F ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
2. 12.5:Ifthe currentflowing outfroman electrical panel is12.5amps,and itthen
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
flowsthroughanelectricalloadof1500 watts,whatistheamperageofthe
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
remaining currentflowofthe return circuit?
‘ ‘ ‘ ‘ ‘ ‘ ‘
3. 1000:Ifa hairdryerdraws8.3amps(inahomewith120-voltservice),whatisthe
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
wattage?
‘
*Power(P)=current(I)xvoltage(V)Watts
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
=ampsxvolts
‘ ‘ ‘ ‘
4. 1987:TheyearofthefirsteditionofNFPA1033 ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
5. 1.5times:Therecommendeddistanceforsecuringtheperimeterofablastscene
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
*Thatis,thedistancefromthefurthestdebris
‘ ‘ ‘ ‘ ‘ ‘ ‘
6. 1100°F:Whattemperatureintheuppergaslayercausestheonsetof ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
Flashover?
‘
7. 1960°F:Thetemperatureatwhichcoppermelts ‘ ‘ ‘ ‘ ‘ ‘
8. 2 W/cm2: The measurement of the radiant heat flux (from gas layer to the floor)
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
thatindicates theonsetofflashover
‘ ‘ ‘ ‘ ‘ ‘
9. 240 volts: The voltage between the two hot wires at the service entrance cables
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
in most single-familyresidences in the United States (single-phase service with
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
three wires)
‘ ‘
10. 3years:TherevisioncycleforNFPA921(timespan)
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
11. 350°F:Theflashpointofpowersteeringfluid ‘ ‘ ‘ ‘ ‘ ‘ ‘
12. 35-70p.s.i.:Inhigh-pressurefuel-injectedvehicles,thisisthetypicalrangeof
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
pressure thatisused to pump fuelfrom a fuel tank
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
13. 5and17:Thelowerexplosiveandupperexplosivelimitofnaturalgas
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
(methane)?
‘
14. 680°F:Theignitiontemperatureofpowersteeringfluid ‘ ‘ ‘ ‘ ‘ ‘ ‘
15. Fuel:Anysubstancethatcanundergocombustion ‘ ‘ ‘ ‘ ‘ ‘
16. ActorOmission:Twofactorsorsituationsleadingtoafirethatmayshowthe nature of
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
the incidentresponsibility.
‘ ‘ ‘
17. AdditionalInvestigativeRecommendations:Thisconceptshouldnotbe ‘ ‘ ‘ ‘ ‘ ‘ ‘
included in a summaryreportoffindings.
‘ ‘ ‘ ‘ ‘ ‘ ‘
18. AdmiraltyLaw:Alawthatmaygovernthefireinvestigationofaboat ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
‘ ‘
, .
19. After-marketEquipment:Atypeofdeviceinavehicle,whichcancausean ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
electrical overload to factoryinstalled wiring
‘ ‘ ‘ ‘ ‘ ‘
20. Alive andBreathing:Evidence ofsmoke orsootin the lungs,bronchi,and trachea
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
isoneofthemostsignificantfactorsinconfirmingthat,atthetimeofthe fire,the
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
victim wasWHAT? ‘ ‘ ‘
21 AllTeamMembers:Thosewhohavetheresponsibilityformonitoring safetycondition
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
atthe fire orexplosion scene
‘ ‘ ‘ ‘ ‘ ‘
22. 1220°F:Themeltingtemperatureofaluminum ‘ ‘ ‘ ‘ ‘
23. Aluminum-to-pavementsparks:WhichoneoftheseisNOTconsidereda ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
competentignition source? Metal-to-metalsparks,
‘ ‘ ‘ ‘ ‘
Aluminum-to-pavementsparks, ‘
Metal-to-pavementsparks,
‘ ‘
Motor bearing sparks
‘ ‘ ‘
24. HeatReleaseRate:Ameaningfulanalysisofafirerequiresanunderstanding ofthe
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
fire growth,the total heatreleased,and WHAT?
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
25. Arc-faultcircuitinterrupter:WhatdoeshetermAFCIstandfor?And,the"A" ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
specifically representswhat?
‘ ‘ ‘
26. ASTM:Theorganizationthatdevelopsstandardmethodsfortestingmaterials ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
27. Auto-ignition:Initiationofcombustionbyheatbutwithoutasparkorflame ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
28. Backdraft:Adeflagrationresultingfromthesuddenintroduction ofairinto a ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
confined space containing oxygen-deficientproductsofincomplete combustion
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
29.Backdraft:An explosion caused bya combination ofcombustiblematerials
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
heatedtotheignitionpointandasuddenintroductionofoxygen to support
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
combustion ‘
30. BackfireFlameArrestor:Aboatdevicethatownersfailtokeepclean,which isa ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
frequentcause ofengine compartmentfireson boats
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
31. Ballast:Adeviceonafluorescentlightfixturethattransformsthevoltagefrom normal ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
household voltage to a higher voltage
‘ ‘ ‘ ‘ ‘ ‘
32. Battery:Thestartermotordrawsitsenergyfromthissource ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
33. BeyondaReasonableDoubt:Theburdenofproofinacriminaltrial ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
34. BimetallicThermostats:Thecomponentthatcontrolstemperatureinmany ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
heat-producing appliances
‘ ‘
35. BLEVE:Thismayoccurwhenthevaporpressureofaliquidexceeds ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
atmospheric pressure
‘ ‘
*Andthisisthemostcommonmechanicalexplosion
‘ ‘ ‘ ‘ ‘ ‘ ‘
‘ ‘
, .
36. BoilingPoint:Thetemperatureorpointatwhichthevaporpressureofa liquid ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
equalsthe external pressure applied
‘ ‘ ‘ ‘ ‘
37. Bonding: The processofelectrically connecting two or more conductive objects ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
38.BottomPassengerSideoftheWindshield: Mostenginefirestypically
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
penetrate the interior compartmentatthislocation ofthe vehicle
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
39.BrassProngs(maleends):Aninvestigatorcancloselyexaminethiscomponentofa
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
cord to determine ifitwasplugged into a receptacle
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
40Calcination:Thechemicalandphysicalchangesthatoccuringypsum wallboard
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
surfacesduring a fire
‘ ‘ ‘ ‘
41. CarbonMonoxide:Anarcoticgasthatonemightbeexposedtointhefire ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
42. CarbonMonoxide:Thelevelsofthistoxindissipateovertimeafterremoval from ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
the fire environment.
‘ ‘ ‘
43. CarbonMonoxidePoisoning:ThistoxicconditiondoesNOTcauseacherry-pink ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
coloration to the skin ofthe fire victim and isNOTvisible on allskin types
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
44. CarburetorBackfire:Thisoccurrenceisthemostcommonopen-flame ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
ignition source in non-fuel injected vehicles
‘ ‘ ‘ ‘ ‘ ‘
45. Ceilingjet:Whenthefireplumereachestheceilingofaroomandmoves ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
laterally along the ceiling
‘ ‘ ‘ ‘
46. ChristmasTree: AniteminthehomethatburnsatapeakHRRof3000- ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
5000kW,which ishotter than a poolofgasoline ora polyurethane chair
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
47. CleanBurn:Thisoccurswhenintenseradiatedheatordirectflamecontactsa ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
surface during the fire,burning awaydeposits
‘ ‘ ‘ ‘ ‘ ‘ ‘
48. Collapsed Furniture Springs: This is a fire effect to furniture that does NOT ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
provide the investigators with clues concerning the type of ignition source, but can show
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
fire spread and intensity
‘ ‘ ‘ ‘
49. Color:AfirecharacteristicthatisNOTnecessarilyanaccurateindicatorofthe ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
flame temperature
‘ ‘
50. ColorCodes:Thisfeaturedistinguishestheheat-sensitivebulbsofsprinkler ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
headsfrom each other
‘ ‘ ‘ ‘
51. Combustion:Achemicalprocessofoxidation,whichoccursataratefast ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
enough toproduceheatand usuallylightin the formofeitheragloworaflame
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
52. Compartmentation:Abuildingdesignfeaturethataimstolimitthefiretoitsorigin. ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
53. CompetentIgnitionSource: Locatedattheorigin,theseshouldbe ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
considered individually during the developmentofa cause hypothesis
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
54. Complete PPE: Thisshould be donned when dealing with hazardous ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
chemicals55.Conduction:Anexampleofheattransfer,whentheheatingofa steel
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
beam to an unexposed partofa building resultsin a fire in thatlocation
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
g g
‘ ‘
1. CombustibleLiquid:AliquidwithaflashpointABOVE100F ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
2. 12.5:Ifthe currentflowing outfroman electrical panel is12.5amps,and itthen
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
flowsthroughanelectricalloadof1500 watts,whatistheamperageofthe
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
remaining currentflowofthe return circuit?
‘ ‘ ‘ ‘ ‘ ‘ ‘
3. 1000:Ifa hairdryerdraws8.3amps(inahomewith120-voltservice),whatisthe
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
wattage?
‘
*Power(P)=current(I)xvoltage(V)Watts
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
=ampsxvolts
‘ ‘ ‘ ‘
4. 1987:TheyearofthefirsteditionofNFPA1033 ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
5. 1.5times:Therecommendeddistanceforsecuringtheperimeterofablastscene
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
*Thatis,thedistancefromthefurthestdebris
‘ ‘ ‘ ‘ ‘ ‘ ‘
6. 1100°F:Whattemperatureintheuppergaslayercausestheonsetof ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
Flashover?
‘
7. 1960°F:Thetemperatureatwhichcoppermelts ‘ ‘ ‘ ‘ ‘ ‘
8. 2 W/cm2: The measurement of the radiant heat flux (from gas layer to the floor)
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
thatindicates theonsetofflashover
‘ ‘ ‘ ‘ ‘ ‘
9. 240 volts: The voltage between the two hot wires at the service entrance cables
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
in most single-familyresidences in the United States (single-phase service with
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
three wires)
‘ ‘
10. 3years:TherevisioncycleforNFPA921(timespan)
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
11. 350°F:Theflashpointofpowersteeringfluid ‘ ‘ ‘ ‘ ‘ ‘ ‘
12. 35-70p.s.i.:Inhigh-pressurefuel-injectedvehicles,thisisthetypicalrangeof
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
pressure thatisused to pump fuelfrom a fuel tank
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
13. 5and17:Thelowerexplosiveandupperexplosivelimitofnaturalgas
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
(methane)?
‘
14. 680°F:Theignitiontemperatureofpowersteeringfluid ‘ ‘ ‘ ‘ ‘ ‘ ‘
15. Fuel:Anysubstancethatcanundergocombustion ‘ ‘ ‘ ‘ ‘ ‘
16. ActorOmission:Twofactorsorsituationsleadingtoafirethatmayshowthe nature of
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
the incidentresponsibility.
‘ ‘ ‘
17. AdditionalInvestigativeRecommendations:Thisconceptshouldnotbe ‘ ‘ ‘ ‘ ‘ ‘ ‘
included in a summaryreportoffindings.
‘ ‘ ‘ ‘ ‘ ‘ ‘
18. AdmiraltyLaw:Alawthatmaygovernthefireinvestigationofaboat ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
‘ ‘
, .
19. After-marketEquipment:Atypeofdeviceinavehicle,whichcancausean ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
electrical overload to factoryinstalled wiring
‘ ‘ ‘ ‘ ‘ ‘
20. Alive andBreathing:Evidence ofsmoke orsootin the lungs,bronchi,and trachea
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
isoneofthemostsignificantfactorsinconfirmingthat,atthetimeofthe fire,the
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
victim wasWHAT? ‘ ‘ ‘
21 AllTeamMembers:Thosewhohavetheresponsibilityformonitoring safetycondition
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
atthe fire orexplosion scene
‘ ‘ ‘ ‘ ‘ ‘
22. 1220°F:Themeltingtemperatureofaluminum ‘ ‘ ‘ ‘ ‘
23. Aluminum-to-pavementsparks:WhichoneoftheseisNOTconsidereda ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
competentignition source? Metal-to-metalsparks,
‘ ‘ ‘ ‘ ‘
Aluminum-to-pavementsparks, ‘
Metal-to-pavementsparks,
‘ ‘
Motor bearing sparks
‘ ‘ ‘
24. HeatReleaseRate:Ameaningfulanalysisofafirerequiresanunderstanding ofthe
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
fire growth,the total heatreleased,and WHAT?
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
25. Arc-faultcircuitinterrupter:WhatdoeshetermAFCIstandfor?And,the"A" ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
specifically representswhat?
‘ ‘ ‘
26. ASTM:Theorganizationthatdevelopsstandardmethodsfortestingmaterials ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
27. Auto-ignition:Initiationofcombustionbyheatbutwithoutasparkorflame ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
28. Backdraft:Adeflagrationresultingfromthesuddenintroduction ofairinto a ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
confined space containing oxygen-deficientproductsofincomplete combustion
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
29.Backdraft:An explosion caused bya combination ofcombustiblematerials
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
heatedtotheignitionpointandasuddenintroductionofoxygen to support
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
combustion ‘
30. BackfireFlameArrestor:Aboatdevicethatownersfailtokeepclean,which isa ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
frequentcause ofengine compartmentfireson boats
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
31. Ballast:Adeviceonafluorescentlightfixturethattransformsthevoltagefrom normal ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
household voltage to a higher voltage
‘ ‘ ‘ ‘ ‘ ‘
32. Battery:Thestartermotordrawsitsenergyfromthissource ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
33. BeyondaReasonableDoubt:Theburdenofproofinacriminaltrial ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
34. BimetallicThermostats:Thecomponentthatcontrolstemperatureinmany ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
heat-producing appliances
‘ ‘
35. BLEVE:Thismayoccurwhenthevaporpressureofaliquidexceeds ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
atmospheric pressure
‘ ‘
*Andthisisthemostcommonmechanicalexplosion
‘ ‘ ‘ ‘ ‘ ‘ ‘
‘ ‘
, .
36. BoilingPoint:Thetemperatureorpointatwhichthevaporpressureofa liquid ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
equalsthe external pressure applied
‘ ‘ ‘ ‘ ‘
37. Bonding: The processofelectrically connecting two or more conductive objects ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
38.BottomPassengerSideoftheWindshield: Mostenginefirestypically
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
penetrate the interior compartmentatthislocation ofthe vehicle
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
39.BrassProngs(maleends):Aninvestigatorcancloselyexaminethiscomponentofa
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
cord to determine ifitwasplugged into a receptacle
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
40Calcination:Thechemicalandphysicalchangesthatoccuringypsum wallboard
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
surfacesduring a fire
‘ ‘ ‘ ‘
41. CarbonMonoxide:Anarcoticgasthatonemightbeexposedtointhefire ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
42. CarbonMonoxide:Thelevelsofthistoxindissipateovertimeafterremoval from ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
the fire environment.
‘ ‘ ‘
43. CarbonMonoxidePoisoning:ThistoxicconditiondoesNOTcauseacherry-pink ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
coloration to the skin ofthe fire victim and isNOTvisible on allskin types
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
44. CarburetorBackfire:Thisoccurrenceisthemostcommonopen-flame ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
ignition source in non-fuel injected vehicles
‘ ‘ ‘ ‘ ‘ ‘
45. Ceilingjet:Whenthefireplumereachestheceilingofaroomandmoves ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
laterally along the ceiling
‘ ‘ ‘ ‘
46. ChristmasTree: AniteminthehomethatburnsatapeakHRRof3000- ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
5000kW,which ishotter than a poolofgasoline ora polyurethane chair
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
47. CleanBurn:Thisoccurswhenintenseradiatedheatordirectflamecontactsa ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
surface during the fire,burning awaydeposits
‘ ‘ ‘ ‘ ‘ ‘ ‘
48. Collapsed Furniture Springs: This is a fire effect to furniture that does NOT ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
provide the investigators with clues concerning the type of ignition source, but can show
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
fire spread and intensity
‘ ‘ ‘ ‘
49. Color:AfirecharacteristicthatisNOTnecessarilyanaccurateindicatorofthe ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
flame temperature
‘ ‘
50. ColorCodes:Thisfeaturedistinguishestheheat-sensitivebulbsofsprinkler ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
headsfrom each other
‘ ‘ ‘ ‘
51. Combustion:Achemicalprocessofoxidation,whichoccursataratefast ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
enough toproduceheatand usuallylightin the formofeitheragloworaflame
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
52. Compartmentation:Abuildingdesignfeaturethataimstolimitthefiretoitsorigin. ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
53. CompetentIgnitionSource: Locatedattheorigin,theseshouldbe ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
considered individually during the developmentofa cause hypothesis
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
54. Complete PPE: Thisshould be donned when dealing with hazardous ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
chemicals55.Conduction:Anexampleofheattransfer,whentheheatingofa steel
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
beam to an unexposed partofa building resultsin a fire in thatlocation
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
g g
‘ ‘
