IAAI CFI STUDY QUESTIONS (2021) QUESTIONS AND CORRECT VERIFIED ANSWERS

IAAI CFI STUDY QUESTIONS (2021)
QUESTIONS AND CORRECT VERIFIED
ANSWERS
CombustibleA2LiquidA2-A2Ans--AA2liquidA2withA2aA2flashA2pointA2ABOVEA2100F

12.5A2-A2Ans--
IfA2theA2currentA2flowingA2outA2fromA2anA2electricalA2panelA2isA212.5A2amps,A2andA2itA2thenA
2flowsA2throughA2anA2electricalA2loadA2ofA21500A2watts,A2whatA2isA2theA2amperageA2ofA2the
A2remainingA2currentA2flowA2ofA2theA2returnA2circuit?


1000A2-A2Ans--IfA2aA2hairA2dryerA2drawsA28.3ampsA2(inA2aA2homeA2withA2120-
voltA2service),A2whatA2isA2theA2wattage?

*PowerA2(P)A2=A2currentA2(I)A2xA2voltageA2(V)
WattsA2=A2ampsA2xA2volts

1987A2-A2Ans--TheA2yearA2ofA2theA2firstA2editionA2ofA2NFPAA21033

1.5A2timesA2-A2Ans--
TheA2recommendedA2distanceA2forA2securingA2theA2perimeterA2ofA2aA2blastA2scene

*ThatA2is,A2theA2distanceA2fromA2theA2furthestA2debris

1100°FA2-A2Ans--
WhatA2temperatureA2inA2theA2upperA2gasA2layerA2causesA2theA2onsetA2ofA2Flashover?

1960°FA2-A2Ans--TheA2temperatureA2atA2whichA2copperA2melts

2A2W/cm2A2-A2Ans--
TheA2measurementA2ofA2theA2radiantA2heatA2fluxA2(fromA2gasA2layerA2toA2theA2floor)A2thatA2
indicatesA2theA2onsetA2ofA2flashover

240A2voltsA2-A2Ans--
TheA2voltageA2betweenA2theA2twoA2hotA2wiresA2atA2theA2serviceA2entranceA2cablesA2inA2m
ostA2single-familyA2residencesA2inA2theA2UnitedA2StatesA2(single-
phaseA2serviceA2withA2threeA2wires)

3A2yearsA2-A2Ans--TheA2revisionA2cycleA2forA2NFPAA2921A2(timespan)

350°FA2-A2Ans--TheA2flashA2pointA2ofA2powerA2steeringA2fluid

,35-70A2p.s.i.A2-A2Ans--InA2high-pressureA2fuel-
injectedA2vehicles,A2thisA2isA2theA2typicalA2rangeA2ofA2pressureA2thatA2isA2usedA2toA2pumpA2
fuelA2fromA2aA2fuelA2tank

5A2andA217A2-A2Ans--
TheA2lowerA2explosiveA2andA2upperA2explosiveA2limitA2ofA2naturalA2gasA2(methane)?

680°FA2-A2Ans--TheA2ignitionA2temperatureA2ofA2powerA2steeringA2fluid

FuelA2-A2Ans--AnyA2substanceA2thatA2canA2undergoA2combustion

ActA2orA2OmissionA2-A2Ans--
TwoA2factorsA2orA2situationsA2leadingA2toA2aA2fireA2thatA2mayA2showA2theA2natureA2ofA2theA
2incidentA2responsibility.


AdditionalA2InvestigativeA2RecommendationsA2-A2Ans--
ThisA2conceptA2shouldA2notA2beA2includedA2inA2aA2summaryA2reportA2ofA2findings.

AdmiraltyA2LawA2-A2Ans--AA2lawA2thatA2mayA2governA2theA2fireA2investigationA2ofA2aA2boat

After-marketA2EquipmentA2-A2Ans--
AA2typeA2ofA2deviceA2inA2aA2vehicle,A2whichA2canA2causeA2anA2electricalA2overloadA2toA2fac
toryA2installedA2wiring

AliveA2andA2BreathingA2-A2Ans--
EvidenceA2ofA2smokeA2orA2sootA2inA2theA2lungs,A2bronchi,A2andA2tracheaA2isA2oneA2ofA2the
A2mostA2significantA2factorsA2inA2confirmingA2that,A2atA2theA2timeA2ofA2theA2fire,A2theA2victim
A2wasA2WHAT?


AllA2TeamA2MembersA2-A2Ans--
ThoseA2whoA2haveA2theA2responsibilityA2forA2monitoringA2safetyA2conditionsA2atA2theA2fireA
2orA2explosionA2scene


1220°FA2-A2Ans--TheA2meltingA2temperatureA2ofA2aluminum

Aluminum-to-pavementA2sparksA2-A2Ans--
WhichA2oneA2ofA2theseA2isA2NOTA2consideredA2aA2competentA2ignitionA2source?A2
Metal-to-metalA2sparks,
Aluminum-to-pavementA2sparks,
Metal-to-pavementA2sparks,
MotorA2bearingA2sparks

HeatA2ReleaseA2RateA2-A2Ans--
AA2meaningfulA2analysisA2ofA2aA2fireA2requiresA2anA2understandingA2ofA2theA2fireA2growth,A
2theA2totalA2heatA2released,A2andA2WHAT?

, Arc-faultA2circuitA2interrupterA2-A2Ans--WhatA2doesA2heA2termA2AFCIA2standA2for?
A2And,A2theA2"A"A2specificallyA2representsA2what?


ASTMA2-A2Ans--
TheA2organizationA2thatA2developsA2standardA2methodsA2forA2testingA2materials

Auto-ignitionA2-A2Ans--
InitiationA2ofA2combustionA2byA2heatA2butA2withoutA2aA2sparkA2orA2flame

BackdraftA2-A2Ans--
AA2deflagrationA2resultingA2fromA2theA2suddenA2introductionA2ofA2airA2intoA2aA2confinedA2s
paceA2containingA2oxygen-deficientA2productsA2ofA2incompleteA2combustion

BackdraftA2-A2Ans--
AnA2explosionA2causedA2byA2aA2combinationA2ofA2combustibleA2materialsA2heatedA2toA2th
eA2ignitionA2pointA2andA2aA2suddenA2introductionA2ofA2oxygenA2toA2supportA2combustion

BackfireA2FlameA2ArrestorA2-A2Ans--
AA2boatA2deviceA2thatA2ownersA2failA2toA2keepA2clean,A2whichA2isA2aA2frequentA2causeA2ofA
2engineA2compartmentA2firesA2onA2boats


BallastA2-A2Ans--
AA2deviceA2onA2aA2fluorescentA2lightA2fixtureA2thatA2transformsA2theA2voltageA2fromA2norm
alA2householdA2voltageA2toA2aA2higherA2voltage

BatteryA2-A2Ans--TheA2starterA2motorA2drawsA2itsA2energyA2fromA2thisA2source

BeyondA2aA2ReasonableA2DoubtA2-A2Ans--TheA2burdenA2ofA2proofA2inA2aA2criminalA2trial

BimetallicA2ThermostatsA2-A2Ans--
TheA2componentA2thatA2controlsA2temperatureA2inA2manyA2heat-producingA2appliances

BLEVEA2-A2Ans--
ThisA2mayA2occurA2whenA2theA2vaporA2pressureA2ofA2aA2liquidA2exceedsA2atmosphericA2pr
essure

*AndA2thisA2isA2theA2mostA2commonA2mechanicalA2explosion

BoilingA2PointA2-A2Ans--
TheA2temperatureA2orA2pointA2atA2whichA2theA2vaporA2pressureA2ofA2aA2liquidA2equalsA2the
A2externalA2pressureA2applied


BondingA2-A2Ans--
TheA2processA2ofA2electricallyA2connectingA2twoA2orA2moreA2conductiveA2objects