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Essentials of Fire Fighting 7 - Chapter 4 Questions and Correct Answers

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Essentials of Fire Fighting 7 - Chapter 4 Questions and Correct Answers

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Essentials of Fire Fighting 7 - Chapter 4
Questions and Correct Answers
WhereAmightAfirefightersAbeAMOSTAlikelyAtoAencounterAinoperativeAstandpipesAandA
sprinklerAsystems?
SelectAone:
a.AStructuresAatAtheAwildland/urbanAinterface
b.AOpen-planAcommercialAstructures
c.AResidentialAstructuresAbuiltApriorAtoA1990
d.ABuildingsAunderAdemolitionA-ACORRECTAANSWERSA-d.ABuildingsAunderAdemolition
WhatAoccursAduringAflashover?
SelectAone:
a.ATheAvolumeAofAburningAgasesAcanAincreaseAtoAfillAtheAroom'sAentireAvolumeAandAextendA
outAofAanyAopeningsAfromAtheAroom.
b.ATheAcompartmentAwillAfillAwithAblackAsmokeAandAslowlyAcoolingAfuelAgases;AtheAcompart
mentAwillAshowAnoAvisibleAflames.
c.ATheAheatAreleaseArateAofAtheAfireAwillAreachAitsApeak.
d.AFlamesApropagateAthroughAtheAhotAgasAlayerAorAacrossAtheAceiling.A-
ACORRECTAANSWERSA-

a.ATheAvolumeAofAburningAgasesAcanAincreaseAtoAfillAtheAroom'sAentireAvolumeAandAextendA
outAofAanyAopeningsAfromAtheAroom.
InAaAcompartmentAfire,AsmokeAflashoverAindicatorsAincludeArapidlyAincreasingAvolume,Atur
bulence,AopticalAdensity,Aand:
SelectAone:
a.AthermalAproperties.
b.Aventilation.
c.AfuelAload.
d.AdarkeningAcolor.A-ACORRECTAANSWERSA-d.AdarkeningAcolor.
WhichAtypeAofAelectricalAheatingAoccursAwhenAtheAcurrentAflowingAthroughAaAconductorAex
ceedsAitsAdesignAlimits?
SelectAone:
a.AArcing
b.AOvercurrentAorAoverload
c.ASparking
d.AFrictionAheatingA-ACORRECTAANSWERSA-b.AOvercurrentAorAoverload
HowAdoesAtheAself-
sustainedAchemicalAreactionAinfluenceAtheAoxidationAreactionAinAflamingAcombustion?
SelectAone:
a.ADecreasesAtheAtypesAofAproductsAofAcombustionAreleased
b.ADecreasesAtheAtemperatureArequiredAforAtheAoxidationAreaction
c.AIncreasesAtheAspeedAofAtheAoxidationAreaction
d.AIncreasesAtheAratioAofAcompleteAtoAincompleteAcombustionAofAfuelA-
ACORRECTAANSWERSA-c.AIncreasesAtheAspeedAofAtheAoxidationAreaction

, ByAwhichAmechanismAofAheatAtransferAdoesAheatAtravelAinAaAstraightAlineAatAtheAspeedAofAli
ght,AallowingAheatAtoAtravelAthroughAvacuumsAandAairAspaces?
SelectAone:
a.AConduction
b.AConvection
c.AReflection
d.ARadiationA-ACORRECTAANSWERSA-d.ARadiation
AAfuel'sAchemicalAcontentAinfluencesAitsAheatAreleaseArateAandAits:
SelectAone:
a.AorganicAcompounds
b.AheatAofAcombustion.
c.AconvectiveAflow.
d.AphysicalAattributes.A-ACORRECTAANSWERSA-b.AheatAofAcombustion.
WhatAoccursAwhenAaAmixtureAofAfuelAandAoxygenAencountersAanAexternalAheatAsourceAwit
hAsufficientAheatAorAthermalAenergyAtoAstartAtheAcombustionAreaction?
SelectAone:
a.ASustainedAignition
b.APilotedAignition
c.AKineticAignition
d.AAutoignitionA-ACORRECTAANSWERSA-b.APilotedAignition
WhichAheatAtransferAmechanismAisAdependentAonAseveralAfactorsAincludingAtheAturbulenc
eAandAvelocityAofAmovingAgases?
SelectAone:
a.ARadiation
b.AConduction
c.AConvection
d.AReflectionA-ACORRECTAANSWERSA-c.AConvection
WhichAstatementAdescribesAtheAfactorAthatAMOSTAinfluencesAcompartmentAfireAdevelopm
ent?
SelectAone:
a.AWhetherAtheAfuelAisAcellulose-basedAorApetroleum-based
b.AWhetherAtheAfireAisAfuel-limitedAorAventilation-limited
c.AAmbientAtemperatureAandAwindAspeedAoutsideAtheAcompartment
d.ARatioAofAsquareAfootageAtoAceilingAheightAofAtheAcompartmentA-
ACORRECTAANSWERSA-b.AWhetherAtheAfireAisAfuel-limitedAorAventilation-limited

WhichAproductAofAcombustionAactsAasAaAchemicalAasphyxiantAbyAexcludingAoxygenAfromAt
heAblood,AleadingAtoAhypoxiaAofAtheAbrainAandAtissues?
SelectAone:
a.AHydrogenAcyanideA(HCN)
b.AAerosolizedAfuelAparticles
c.ACarbonAdioxideA(CO2)
d.ACarbonAmonoxideA(CO)A-ACORRECTAANSWERSA-d.ACarbonAmonoxideA(CO)
WhichAelementAofAtheAfireAtetrahedronAisAincludedAtoAexplainAflamingA(gas-
phase)Acombustion?
SelectAone:
a.AFuel

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