2025 IRC EXAM PART 4 QUESTIONS
WITH CORRECT ANSWERS 2025
TheGendsGofGeachGjoist,Gbeam,GorGgirderGshallGhaveGnotGlessGthanG_____________GinchesGofGbearingGonGw
oodGorGmetalGandGnotGlessGthanG_____________GinchesGofGbearingGonGmasonryGorGconcrete.G-
GcorrectGanswer-1G1/2
3
SectionGR502.6GBearing
NotchesGinGsolidGlumberGjoists,Grafters,GandGbeamsGshallGnotGexceedG_____________GofGtheGdepthGofGthe
Gmember,GshallGnotGbeGlongerGthanG_____________GofGtheGdepthGofGtheGmemberGandGshallGnotGbeGlocate
dGinGtheGmiddleG_____________GofGtheGspan.
NotchesGatGtheGendsGofGtheGmemberGshallGnotGexceedG_________GtheGdepthGofGtheGmember.G-
GcorrectGanswer-1/6
1/3
1/3
1/4
SectionGR502.8.1GSawnGlumber.
BoresGinGsolidGlumberGjoists,Grafters,GandGbeamsGshallGnotGexceedG_____________GofGtheGdepthGofGtheGm
ember.G
BoredGholesGshallGmaintainGatGleastG___________GinchesGfromGtopGandGbottomGofGtheGjoist,GandGatGleastG
_______GinchesGfromGanotherGholeGorGnotch.G-GcorrectGanswer-1/3
2"
2"
R502.8GCutting,GNotching,GandGDrilling
TheGtensionGsideGofGsolidGlumberGjoistGmembersG_____________GinchesGorGgreaterGinGnominalGthicknessG
shallGnotGbeGnotchedGexceptGatGtheGendsGofGtheGmembers.G-GcorrectGanswer-4
, SectionGR502.8.1GSawnGlumber.
WhereGtheGheaderGjoistGspanGdoesGnotGexceedG_____________Gfeet,GtheGheaderGjoistGshallGbeGaGsingleGm
emberGtheGsameGsizeGasGtheGfloorGjoist.G-GcorrectGanswer-4
(whereGtheGheaderGjoistGspanGexceedsG4Gfeet,GtheGtrimmerGjoistsGandGheaderGjoistGshallGbeGdoubled)
R502.10GFramingGofGopenings.
TheGprovisionsGofGSectionGR505GCold-formedGSteelGFloorGFramingGshallGcontrolGtheGconstructionGofGcold-
formedGsteelGfloorGframingGforGbuildingsGnotGgreaterGthanG_____________GfeetGinGlengthGperpendicularGt
oGtheGjoistGspan.G-GcorrectGanswer-60
SectionGR505.1.1GApplicabilityGlimits.
FlangesGandGlipsGofGload-bearingGcold-
formedGsteelGfloorGframingGmembersGshallGnotGbeGcutGorG_____________G.G-GcorrectGanswer-notched
SectionGR505.3.5GCuttingGandGnotching.
InGcold-formedGsteelGframing,GfloorGcantileversGforGtheGtopGfloorGofGaGtwo-GorGthree-
storyGbuildingGorGtheGfirstGfloorGofGaGone-storyGbuildingGshallGnotGexceedG_____________Ginches.G-
GcorrectGanswer-24
SectionGR505.3.6GFloorGcantilevers.
ConcreteGslab-on-groundGfloorsGshallGbeGaGminimumG_____________GinchesGthick.G-GcorrectGanswer-
3G1/2
SectionGR506.1GGeneral.
WITH CORRECT ANSWERS 2025
TheGendsGofGeachGjoist,Gbeam,GorGgirderGshallGhaveGnotGlessGthanG_____________GinchesGofGbearingGonGw
oodGorGmetalGandGnotGlessGthanG_____________GinchesGofGbearingGonGmasonryGorGconcrete.G-
GcorrectGanswer-1G1/2
3
SectionGR502.6GBearing
NotchesGinGsolidGlumberGjoists,Grafters,GandGbeamsGshallGnotGexceedG_____________GofGtheGdepthGofGthe
Gmember,GshallGnotGbeGlongerGthanG_____________GofGtheGdepthGofGtheGmemberGandGshallGnotGbeGlocate
dGinGtheGmiddleG_____________GofGtheGspan.
NotchesGatGtheGendsGofGtheGmemberGshallGnotGexceedG_________GtheGdepthGofGtheGmember.G-
GcorrectGanswer-1/6
1/3
1/3
1/4
SectionGR502.8.1GSawnGlumber.
BoresGinGsolidGlumberGjoists,Grafters,GandGbeamsGshallGnotGexceedG_____________GofGtheGdepthGofGtheGm
ember.G
BoredGholesGshallGmaintainGatGleastG___________GinchesGfromGtopGandGbottomGofGtheGjoist,GandGatGleastG
_______GinchesGfromGanotherGholeGorGnotch.G-GcorrectGanswer-1/3
2"
2"
R502.8GCutting,GNotching,GandGDrilling
TheGtensionGsideGofGsolidGlumberGjoistGmembersG_____________GinchesGorGgreaterGinGnominalGthicknessG
shallGnotGbeGnotchedGexceptGatGtheGendsGofGtheGmembers.G-GcorrectGanswer-4
, SectionGR502.8.1GSawnGlumber.
WhereGtheGheaderGjoistGspanGdoesGnotGexceedG_____________Gfeet,GtheGheaderGjoistGshallGbeGaGsingleGm
emberGtheGsameGsizeGasGtheGfloorGjoist.G-GcorrectGanswer-4
(whereGtheGheaderGjoistGspanGexceedsG4Gfeet,GtheGtrimmerGjoistsGandGheaderGjoistGshallGbeGdoubled)
R502.10GFramingGofGopenings.
TheGprovisionsGofGSectionGR505GCold-formedGSteelGFloorGFramingGshallGcontrolGtheGconstructionGofGcold-
formedGsteelGfloorGframingGforGbuildingsGnotGgreaterGthanG_____________GfeetGinGlengthGperpendicularGt
oGtheGjoistGspan.G-GcorrectGanswer-60
SectionGR505.1.1GApplicabilityGlimits.
FlangesGandGlipsGofGload-bearingGcold-
formedGsteelGfloorGframingGmembersGshallGnotGbeGcutGorG_____________G.G-GcorrectGanswer-notched
SectionGR505.3.5GCuttingGandGnotching.
InGcold-formedGsteelGframing,GfloorGcantileversGforGtheGtopGfloorGofGaGtwo-GorGthree-
storyGbuildingGorGtheGfirstGfloorGofGaGone-storyGbuildingGshallGnotGexceedG_____________Ginches.G-
GcorrectGanswer-24
SectionGR505.3.6GFloorGcantilevers.
ConcreteGslab-on-groundGfloorsGshallGbeGaGminimumG_____________GinchesGthick.G-GcorrectGanswer-
3G1/2
SectionGR506.1GGeneral.
