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Nfi Core Review Class Questions And Correct Answers

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NFI CORE REVIEW CLASS QUESTIONS AND CORRECT ANSWERS

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NFI CORE REVIEW CLASS
QUESTIONS AND CORRECT
ANSWERS
4A2StagesA2ofA2combustionA2-A2Ans--1.A2MoistureA2evaporation
2.A2ReleaseA2ofA2combustibleA2gases
3.A2IgnitionA2ofA2combustibleA2gas
4.A2CharA2burning

TheA2totalA2energyA2producedA2byA2burningA2oneA2poundA2ofA2woodA2isA2approximately__
__________A2-A2Ans--8,600A2BTUs

CatalyticA2convertersA2canA2lowerA2theA2ignitionA2temperatureA2ofA2woodA2smokeA2toA2app
roximatelyA2-A2Ans--500A2degrees

TheA2properA2ULA2StandardA2forA2chimneysA2usedA2toA2ventA2woodA2stovesA2isA2-A2Ans--
UL103HT

UL103HTA2-A2Ans--TheseA2requirementsA2coverA2factory-
builtA2chimneysA2intendedA2forA2ventingA2gas,A2liquid,A2andA2solid-fuelA2firedA2residential-
typeA2appliancesA2andA2buildingA2heatingA2appliances

AccordingA2toA2NFPAA2211,A2theA2maximumA2horizontalA2runA2ofA2aA2woodA2stoveA2conne
ctorA2isA2limitedA2toA2______________A2percentA2ofA2theA2verticalA2portionA2ofA2theA2chim
neyA2aboveA2theA2connector.A2-A2Ans--50%

AccordingA2toA2NFPAA2211,A2aA2manualA2damperA2installedA2inA2aA2woodA2stoveA2connect
orA2pipeA2cannotA2blockA2moreA2thanA2___________A2percentA2ofA2theA2connectorA2when
A2fullyA2closed.A2-A2Ans--80%


AccordingA2toA2NFPAA2211,A2theA2maximumA2permittedA2chimneyA2flueA2areaA2isA2_____
_A2timesA2theA2applianceA2flueA2collarA2areaA2forA2exteriorA2chimneysA2andA2____A2timesA2
theA2applianceA2flueA2collarA2areaA2forA2interiorA2chimneys.A2-A2Ans--2A2andA23

TheA2maximumA2chimneyA2offsetA2angleA2permittedA2inA2theA2UnitedA2StatesA2isA2______
____A2degreesA2(fromA2vertical).A2-A2Ans--30A2degrees

AccordingA2toA2NFPAA2211A2andA2theA2IRC,A2aA23.5"A2brickA2wallA2withA2aA21"A2ventilatedA
2airA2spaceA2providesA2aA2__________A2percentA2clearanceA2reductionA2-A2Ans--66%


AccordingA2toA2NFPAA2211A2andA2theA2IRC,A2aA23.5"A2brickA2wallA2withoutA2ventilatedA2air
A2spaceA2providesA2aA2__________A2percentA2clearanceA2reduction.A2-A2Ans--33%

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