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Essentials of Fire Fighting 7th Edition Chapter 4, Fire Dynamics Questions and Answers

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Essentials of Fire Fighting 7th Edition Chapter 4, Fire Dynamics Questions and Answers

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Essentials of Fire Fighting 7th Edition:
Chapter 4, Fire Dynamics Questions and
Answers
WhichAelementAisAincludedAinAtheAfireAtetrahedronAthatAisAnotApartAofAtheAfireAtriangleA
model?A-ACORRECTAANSWERSA-ChemicalAchainAreaction
InAorderAtoAburn,AfuelAmustAbeAinAaA_____Astate.A-ACORRECTAANSWERSA-Gaseous
WhichAstatementAaboutAsmokeAisAaccurate?A-ACORRECTAANSWERSA-
SmokeAhasAtheApotentialAtoAburn.
WhichAisAaAmeasureAofAheatAenergyAtransferArate?A-ACORRECTAANSWERSA-HeatAFlux
HeatAtransfersAfromAoneAbodyAtoAanotherAbyAthreeAmechanisms:Aconduction,Aradiation,A
and:A-ACORRECTAANSWERSA-Convection
AAfuel'sA_____AisAtheAtotalAamountAofAthermalAenergyAreleasedAwhenAaAspecificAamountAof
AthatAfuelAburns.A-ACORRECTAANSWERSA-heatAofAcombustion

WhichAtypeAofAfuelAisAdifficultAtoAextinguishAusingAwaterAasAtheAonlyAextinguishingAagent?A-
ACORRECTAANSWERSA-LiquidsAthatAareAlessAdenseA(lighter)AthanAwater

WhatAisAtheAprimaryAconsiderationAaffectingAhowAeasilyAsolidAfuelsAignite?A-
ACORRECTAANSWERSA-SurfaceAtoAmassAratio

WhatAisAtheAprimaryAoxidizingAagentAinAmostAfires?A-ACORRECTAANSWERSA-
OxygenAinAtheAair
TheArangeAofAconcentrationsAofAfuelAvaporAandAairAwithinAwhichAcombustionAcanAoccurAisAt
he:A-ACORRECTAANSWERSA-flammableA(explosive)Arange.
WhichAisAanAexampleAofAaAself-sustainingAchemicalAreaction?A-ACORRECTAANSWERSA-
FlamingAcombustion
TheAfourAstagesAofAfireAdevelopmentAare:A-ACORRECTAANSWERSA-
incipient,Agrowth,AfullyAdeveloped,Adecay
WhichAstageAofAfireAoccursAwhenAallAcombustibleAmaterialsAinAtheAcompartmentAareAburni
ngAatAtheirApeakAheatAreleaseArateAbasedAonAtheAavailableAoxygen?A-
ACORRECTAANSWERSA-FullyAdeveloped

DevelopmentAofAaAfireAinAtheAincipientAstageAdependsAlargelyAuponAthe:A-
ACORRECTAANSWERSA-characteristicsAandAconfigurationAofAtheAfuelAinvolved.

IfAthereAareAnoAopeningsAforAlateralAmovementAduringAtheAgrowthAstageAofAaAfire,AtheAhotAg
asesAreleasedAduringAcombustionAwillAfillAtheAcompartment:A-ACORRECTAANSWERSA-
startingAatAtheAceilingAandAfillingAdown.
MostAresidentialAfiresAthatAdevelopAbeyondAtheAincipientAstateAbecome:A-
ACORRECTAANSWERSA-ventilationAlimited.

WhenAaAcompartmentAfireAisAinAventilation-
limitedAdecay,A_____AcanAtriggerAflashoverAquickly.A-ACORRECTAANSWERSA-
introductionAofAnewAoxygen
WhichAstatementAaboutAflowApathsAandAventilationAinAaAstructureAisAaccurate?A-
ACORRECTAANSWERSA-

, WhenAfirefightersAmakeAentryAintoAaAbuilding,AtheyAestablishAnewAflowApathsAbetweenAtheA
fireAcompartmentAandAexteriorAventsAofAtheAbuilding.
TheAtotalAquantityAofAcombustibleAcontentsAofAaAbuilding,Aspace,AorAfireAareaAisAreferredAtoA
asAthe:A-ACORRECTAANSWERSA-FuelALoad
SlowerAfireAdevelopmentAinAlargeAcompartmentsAisAdueAtoAtheA_____AandAtheAincreasedAdi
stanceAthatAradiatedAheatAmustAtravelAfromAtheAfireAtoAtheAcontentsAthatAmustAbeAheated.A-
ACORRECTAANSWERSA-greaterAvolumeAofAair

FiresAinvolveAaAheatAproducingAchemicalAreactionAbetweenAfuelAand:A-
ACORRECTAANSWERSA-AnAOxidizer

WhenAaAsubstanceAchangesAfromAoneAtypeAofAmatterAintoAanother,AsuchAasAtwoAorAmoreAs
ubstancesAcombiningAtoAformAcompounds,AtheAsubstanceAundergoesAa:A-
ACORRECTAANSWERSA-chemicalAreaction.

WhichAstatementAaboutAenergyAandAcombustionAisAaccurate?A-ACORRECTAANSWERSA-
WhichAstatementAaboutAenergyAandAcombustionAisAaccurate?
WhichAelementAofAtheAfireAtetrahedronAisAincludedAtoAexplainAflamingA(gas-
phase)Acombustion?A-ACORRECTAANSWERSA-ChemicalAChainAReaction
WhatAoccursAwhenAaAmixtureAofAfuelAandAoxygenAencountersAanAexternalAheatAsourceAwit
hAsufficientAheatAorAthermalAenergyAtoAstartAtheAcombustionAreaction?A-
ACORRECTAANSWERSA-PilotedAIgnition

TheAminimumAtemperatureAatAwhichAaAfuelAinAtheAairAmustAbeAheatedAinAorderAtoAstartAself-
sustainedAcombustionAisAknownAasAthe:A-ACORRECTAANSWERSA-
AutoignitionATemperature
WhatAcausesAflamingAcombustionAtoAoccur?A-ACORRECTAANSWERSA-
AAgaseousAfuelAmixesAwithAanAadequateAamountAofAoxygenAandAheatsAtoAignitionAtempera
ture.
WhatAisAtheAcauseAofAmostAfireAdeaths?A-ACORRECTAANSWERSA-
ExposureAtoAtoxicAgasesAfoundAinAsmokeAand/orAlackAofAoxygen
WhichAstatementAaboutAtheAdangersAofAproductsAofAcombustionAisAaccurate?A-
ACORRECTAANSWERSA-

LowAoxygenAconcentrationsAaloneAcanAresultAinAhypoxiaAorAdeath.
WhichAproductAofAcombustionAactsAasAaAchemicalAasphyxiantAbyAexcludingAoxygenAfromAt
heAblood,AleadingAtoAhypoxiaAofAtheAbrainAandAtissues?A-ACORRECTAANSWERSA-
CarbonAmonoxideA(CO)
HydrogenAcyanideA(HCN)AisAaAproductAofAcombustionAthat:A-ACORRECTAANSWERSA-
targetsAtheAbrainAafterAbeingAinhaled,Aingested,AorAabsorbedAintoAtheAbody.
HowAdoesAaAcompartmentAfireAaffectApressureAinAandAaroundAgasesAinAtheAcompartment?A
-ACORRECTAANSWERSA-
HeatAfromAaAfireAincreasesAtheApressureAofAtheAsurroundingAgases.
WhatAisAtheAmeasurementAofAtheAaverageAkineticAenergyAinAtheAparticlesAofAaAsampleAofAm
atter?A-ACORRECTAANSWERSA-Temperature
WhichAmeasurementAisAoftenAusedAtoAmeasureAhowAlongAPPEAwillAprotectAaAfirefighterAinA
anAinteriorAfireAenvironment?A-ACORRECTAANSWERSA-HeatAfluxAtoAtheAPPE
WhatAisAtheAMOSTAcommonAsourceAofAheatAinAcombustionAreactions?A-
ACORRECTAANSWERSA-ChemicalAEnergy

WhatAmayAoccurAinAanAoxidationAreactionAwhenAtheAheatAgeneratedAexceedsAtheAheatAbei
ngAlost?A-ACORRECTAANSWERSA-SpontaneousAIgnition

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