RBC STUDY SET QUESTIONS AND
ANSWERS 2025
TheseAviewsAshowAtheAFrontABackARightA&AleftAsidesAofAaAhouse.
aASiteAelevation
BA)AcontrastAelevationA
C)ExteriorAelevationA
D)AinteriorAelevationA-ACORRECTAANSWERS-C)AExteriorAelevation
SectionAviewsAprovideAinAformationAaboutAmaterialsA,ASupportASystemsAandAconcealedAfe
aturesA.AThisAshowsAhowAonAObjectAwillAlookAwhenAitAisAcutAvertically.A
AA)AVerticleASliceA
B)AHorizontalAslice
C)ASpectrumA
D)ATrimAdetailA-ACORRECTAANSWERS-B)AHorizontalASlice
WhereAisAreleaseAmechanismAforAaAcoolAbarrierAlocated?A
A)AOneAoutsideApoolA2AinchesAfromAtheAtopAofAtheAbarrierA
B)AorAanAinsideApoolA2AinchesAfromAtheAtopAofAtheAbarrierA
CAoutsideAofAtheApoolA3A"AfromAtheAtopAofAtheAbarrierA
D)AOnAtheAinsideAofAtheApoolA3A"AfromAtheAtopAofAtheAbarrierA-ACORRECTAANSWERS-
D)AonAtheAinsideAofAtheApool,A3AinchesAfromAtheAtopAofAtheAbarrierAIRCA2012AappendixAGA8
30A#A1A)
whatAisAtheAminimumAslopeAofAunsolderedAseemedAmetalAroofsAwithoutAsealant?
A)A2AinA12A
B)A3AinA12A
C)4AinA12
D)A6AinA12A-ACORRECTAANSWERS-B)A3AinA12
WhatAisArangeAofAslumpAforAconcreteAusedAinAaAwall?
A)A1AinchAto4Ainch
B)A2AinchAto4Ainch
C)A2AinchAto8Ainch
D)A4AinchA8AinchA-ACORRECTAANSWERS-D)A4"AtoA8"
LumberAwhichAisAtoAbeAremovedAmanuallyAshouldAbeAstackedAaAmaximumAofAhowAhigh?
A)A5Afeet
B)A10Afeet
C)A16AfeetA
D)A20AfeetA-ACORRECTAANSWERS-C)A16Afeet
WhatAisAtheAminimumAwidthAforAaAplatformAscaffold?ANoAexceptionsAapply.
A)A12Ainches
B)A18Ainches
C)A24Ainches
D)A30AinchesA-ACORRECTAANSWERS-B)A18"
AAtrenchAmustAhaveAanAadequateAprotectionAsystem.AIfAitsAdepthAisAaAminimumAofAhowAma
nyAfeet?ATheAtrenchAisAnotAinAstableArock.
,A)A3Afeet
B)A4Afeet
C)A5feet
D)A6AfeetA-ACORRECTAANSWERS-C)A5Afeet
HowAmanyAbundlesAofAthreeAtabAshinglesAareAcontainedAinAaAsquareAofAroofing?
A)A2
B)A3
C)A4
D)A5A-ACORRECTAANSWERS-B)A3
ContainersAthatAareAusedAtoAstoreAemptyAcansAofAflammable/volitileAmustAbeA______A?
A)Are-contaminatedAonAaAregularAbasis
B)AinspectedAbyAaAcompetentAperson
C)AemptiedAdaily
D)AcoveredA-ACORRECTAANSWERS-B)AcompetentAperson
WhatAisAtheAfirstAthingAinAindividualAshouldAcheckAbeforeAenteringAaAconfinedAspace?
A)AinspectionAreports
B)AmarkingAofAtheAhazard
C)AadequateAlighting
D)AavailabilityAofAbreathableAairA-ACORRECTAANSWERS-D)AavailabilityAofAbreathableAair
WhatAisAassumedAtoAbeAtheAloadbearingAcapacityAofAclayAsoilAifAnoAsoilAtestsAareArequiredA
orAmade?
A)A1500ApoundsAperAsquareAfoot
B)A2000ApoundsAperAsquareAfoot
C)A2500ApoundsAperAsquareAfoot
D)A3000ApoundsAperAsquareAfootA-ACORRECTAANSWERS-
A)A1500ApoundsAperAsquareAfoot
WhoAisAresponsibleAforAtrainingAemployeesAaboutAtheAhazardsAofAworkingAinAaAconfinedAsp
ace?
A)AqualifiedAperson
B)Aemployer
C)AbuildingAofficial
D)AOSHAA-ACORRECTAANSWERS-B)AEmployer
WhatAisAtheAmaximumAoneAcenterAspacingAofAverticalAreinforcementAforAaA12AinchAnominal
AthicknessAMasonaryAfoundationAwall,AwallAheightA7'4"AandAbackfillAheightA7'4"A-
ACORRECTAANSWERS-D)A72".AIRCAR404.1.1(4)ApgA105
SoilAthatAhasAexpansiveAcharacteristicAis?
A)AisAappropriateAonlyAforAuseAasAbackfill
B)AshouldAnotAbeAusedAasAbackfill
C)AshouldAbeAcompactedAto75%AorAhigher
D)AshouldAnotAbeAdisturbedA-ACORRECTAANSWERS-B)AShouldAnotAbeAusedAasAbackfill
WhatAisAtheAmaximumAallowableAspanAforAaAthreeAplyA2"AxA12"Abuilt-
upAfloorAgirderAforAanAinteriorAbearingAwallAinAaAoneAstoryAframeAhomeA28AfeetAwide?
A)A7AfeetA2Ainches
B)A7AfeetA8AinchesA
C)A8AfeetA10AinchesA
D)A10AfeetA2AinchesA-ACORRECTAANSWERS-C)A8AfeetA10Ainches
, WhatAisAtheAmaximumAspacingAbetweenAstudsAofAaA2AxA4AframedAinteriorApartition,Asupport
ingAroofAandAceilingAonly?
A)A16"
B)A18"
C)A24"
D)A30"A-ACORRECTAANSWERS-C)A24"
InAreroofingAapplications,Ametal,Aflashing,AtoAwhichAbituminousAmaterialsAareAtoAbeAadhere
dAshallAbe?
A)Acleaned
B)ArenailedA
C)Aprimed
D)AreplacedA-ACORRECTAANSWERS-C)Aprimed
ConcreteAcuredAwithAtheAproperAmoistureAandAaAfavorableAtemperatureAtypicallyAachieved
AwhatApercentAofAspecifiedAcompressiveAstrengthAafterAsevenAdays?
A)A33%
B)A66%
C)A100%
D)A125%A-ACORRECTAANSWERS-B)AaroundA60-75%AearlyAstrengthAgain
TheAminimumAheadroomAforAaAstairwayAisAmeasuredAverticallyAfromAthe?
A)AslopedAplaneAadjoiningAtheAtreadAnosing
B)AbottomAofAtheAriser
C)ASideAofAtheAskirtAboard
D)AmidpointAofAtheAstairAtreadsA-ACORRECTAANSWERS-
A)AsloppedAplaneAadjoiningAtheAtreadAnosing
WhenAaAjoistAisAnotchedAatAtheAbottomAtoAbearAonAaAledger,AtheAnotchAinAtheAjoistAshouldAb
eAaAmaximumAof?
A)A1/4AtheAdepthAofAtheAjoist
B)A1/3AtheAdepthAofAtheAjoist
C)A1Ainch
D)A2AinchesA-ACORRECTAANSWERS-A)A1/4AtheAdepthAofAtheAjoist
WhenAareAtheAroofAdrainsArequired?
A)AwhenAtheAroofAisAslowAtoAdrainAoverAtheAedgeAofAtheAroof
B)AwhenAtheAroofAisA2000Aft.²AorAgreater
C)AwhenAtheAroofAdoesAnotAhaveAscuppers
D)AwhenAtheAroofAhasAparapetAwallsA-ACORRECTAANSWERS-
D)AWhenAtheAroofAhasAparapetAwalls
WhatAareAtheAactualAdimensionsAofAaAstandardAsizeAmodularAconcreteAblock?
A)A7A5/8"AhighAbyA7A5/8"AwideAbyA15A5/8"Along
B)A7A5/8"AhighAbyA8AinchAwideAbyA16AinchAlong
C)A8AinchesAhighAbyA7A5/8AinchesAwideAbyA15A5/8AinchesAlong
D)A8AinchesAhighAbyA8AinchesAwideAbyA16AinchesAlongA-ACORRECTAANSWERS-
A)A7A5/8"AhighAbyA7A5/8A"AwideAbyA15A5/8AinchesAlong
WhereAshouldAaAdripAedgeAusedAatAtheAeaveAbeAapplied?
A)AbeneathAtheAunderlayment
B)AdirectlyAtoAtheAunderlayment
C)AOverAtheAstarterAstrip
ANSWERS 2025
TheseAviewsAshowAtheAFrontABackARightA&AleftAsidesAofAaAhouse.
aASiteAelevation
BA)AcontrastAelevationA
C)ExteriorAelevationA
D)AinteriorAelevationA-ACORRECTAANSWERS-C)AExteriorAelevation
SectionAviewsAprovideAinAformationAaboutAmaterialsA,ASupportASystemsAandAconcealedAfe
aturesA.AThisAshowsAhowAonAObjectAwillAlookAwhenAitAisAcutAvertically.A
AA)AVerticleASliceA
B)AHorizontalAslice
C)ASpectrumA
D)ATrimAdetailA-ACORRECTAANSWERS-B)AHorizontalASlice
WhereAisAreleaseAmechanismAforAaAcoolAbarrierAlocated?A
A)AOneAoutsideApoolA2AinchesAfromAtheAtopAofAtheAbarrierA
B)AorAanAinsideApoolA2AinchesAfromAtheAtopAofAtheAbarrierA
CAoutsideAofAtheApoolA3A"AfromAtheAtopAofAtheAbarrierA
D)AOnAtheAinsideAofAtheApoolA3A"AfromAtheAtopAofAtheAbarrierA-ACORRECTAANSWERS-
D)AonAtheAinsideAofAtheApool,A3AinchesAfromAtheAtopAofAtheAbarrierAIRCA2012AappendixAGA8
30A#A1A)
whatAisAtheAminimumAslopeAofAunsolderedAseemedAmetalAroofsAwithoutAsealant?
A)A2AinA12A
B)A3AinA12A
C)4AinA12
D)A6AinA12A-ACORRECTAANSWERS-B)A3AinA12
WhatAisArangeAofAslumpAforAconcreteAusedAinAaAwall?
A)A1AinchAto4Ainch
B)A2AinchAto4Ainch
C)A2AinchAto8Ainch
D)A4AinchA8AinchA-ACORRECTAANSWERS-D)A4"AtoA8"
LumberAwhichAisAtoAbeAremovedAmanuallyAshouldAbeAstackedAaAmaximumAofAhowAhigh?
A)A5Afeet
B)A10Afeet
C)A16AfeetA
D)A20AfeetA-ACORRECTAANSWERS-C)A16Afeet
WhatAisAtheAminimumAwidthAforAaAplatformAscaffold?ANoAexceptionsAapply.
A)A12Ainches
B)A18Ainches
C)A24Ainches
D)A30AinchesA-ACORRECTAANSWERS-B)A18"
AAtrenchAmustAhaveAanAadequateAprotectionAsystem.AIfAitsAdepthAisAaAminimumAofAhowAma
nyAfeet?ATheAtrenchAisAnotAinAstableArock.
,A)A3Afeet
B)A4Afeet
C)A5feet
D)A6AfeetA-ACORRECTAANSWERS-C)A5Afeet
HowAmanyAbundlesAofAthreeAtabAshinglesAareAcontainedAinAaAsquareAofAroofing?
A)A2
B)A3
C)A4
D)A5A-ACORRECTAANSWERS-B)A3
ContainersAthatAareAusedAtoAstoreAemptyAcansAofAflammable/volitileAmustAbeA______A?
A)Are-contaminatedAonAaAregularAbasis
B)AinspectedAbyAaAcompetentAperson
C)AemptiedAdaily
D)AcoveredA-ACORRECTAANSWERS-B)AcompetentAperson
WhatAisAtheAfirstAthingAinAindividualAshouldAcheckAbeforeAenteringAaAconfinedAspace?
A)AinspectionAreports
B)AmarkingAofAtheAhazard
C)AadequateAlighting
D)AavailabilityAofAbreathableAairA-ACORRECTAANSWERS-D)AavailabilityAofAbreathableAair
WhatAisAassumedAtoAbeAtheAloadbearingAcapacityAofAclayAsoilAifAnoAsoilAtestsAareArequiredA
orAmade?
A)A1500ApoundsAperAsquareAfoot
B)A2000ApoundsAperAsquareAfoot
C)A2500ApoundsAperAsquareAfoot
D)A3000ApoundsAperAsquareAfootA-ACORRECTAANSWERS-
A)A1500ApoundsAperAsquareAfoot
WhoAisAresponsibleAforAtrainingAemployeesAaboutAtheAhazardsAofAworkingAinAaAconfinedAsp
ace?
A)AqualifiedAperson
B)Aemployer
C)AbuildingAofficial
D)AOSHAA-ACORRECTAANSWERS-B)AEmployer
WhatAisAtheAmaximumAoneAcenterAspacingAofAverticalAreinforcementAforAaA12AinchAnominal
AthicknessAMasonaryAfoundationAwall,AwallAheightA7'4"AandAbackfillAheightA7'4"A-
ACORRECTAANSWERS-D)A72".AIRCAR404.1.1(4)ApgA105
SoilAthatAhasAexpansiveAcharacteristicAis?
A)AisAappropriateAonlyAforAuseAasAbackfill
B)AshouldAnotAbeAusedAasAbackfill
C)AshouldAbeAcompactedAto75%AorAhigher
D)AshouldAnotAbeAdisturbedA-ACORRECTAANSWERS-B)AShouldAnotAbeAusedAasAbackfill
WhatAisAtheAmaximumAallowableAspanAforAaAthreeAplyA2"AxA12"Abuilt-
upAfloorAgirderAforAanAinteriorAbearingAwallAinAaAoneAstoryAframeAhomeA28AfeetAwide?
A)A7AfeetA2Ainches
B)A7AfeetA8AinchesA
C)A8AfeetA10AinchesA
D)A10AfeetA2AinchesA-ACORRECTAANSWERS-C)A8AfeetA10Ainches
, WhatAisAtheAmaximumAspacingAbetweenAstudsAofAaA2AxA4AframedAinteriorApartition,Asupport
ingAroofAandAceilingAonly?
A)A16"
B)A18"
C)A24"
D)A30"A-ACORRECTAANSWERS-C)A24"
InAreroofingAapplications,Ametal,Aflashing,AtoAwhichAbituminousAmaterialsAareAtoAbeAadhere
dAshallAbe?
A)Acleaned
B)ArenailedA
C)Aprimed
D)AreplacedA-ACORRECTAANSWERS-C)Aprimed
ConcreteAcuredAwithAtheAproperAmoistureAandAaAfavorableAtemperatureAtypicallyAachieved
AwhatApercentAofAspecifiedAcompressiveAstrengthAafterAsevenAdays?
A)A33%
B)A66%
C)A100%
D)A125%A-ACORRECTAANSWERS-B)AaroundA60-75%AearlyAstrengthAgain
TheAminimumAheadroomAforAaAstairwayAisAmeasuredAverticallyAfromAthe?
A)AslopedAplaneAadjoiningAtheAtreadAnosing
B)AbottomAofAtheAriser
C)ASideAofAtheAskirtAboard
D)AmidpointAofAtheAstairAtreadsA-ACORRECTAANSWERS-
A)AsloppedAplaneAadjoiningAtheAtreadAnosing
WhenAaAjoistAisAnotchedAatAtheAbottomAtoAbearAonAaAledger,AtheAnotchAinAtheAjoistAshouldAb
eAaAmaximumAof?
A)A1/4AtheAdepthAofAtheAjoist
B)A1/3AtheAdepthAofAtheAjoist
C)A1Ainch
D)A2AinchesA-ACORRECTAANSWERS-A)A1/4AtheAdepthAofAtheAjoist
WhenAareAtheAroofAdrainsArequired?
A)AwhenAtheAroofAisAslowAtoAdrainAoverAtheAedgeAofAtheAroof
B)AwhenAtheAroofAisA2000Aft.²AorAgreater
C)AwhenAtheAroofAdoesAnotAhaveAscuppers
D)AwhenAtheAroofAhasAparapetAwallsA-ACORRECTAANSWERS-
D)AWhenAtheAroofAhasAparapetAwalls
WhatAareAtheAactualAdimensionsAofAaAstandardAsizeAmodularAconcreteAblock?
A)A7A5/8"AhighAbyA7A5/8"AwideAbyA15A5/8"Along
B)A7A5/8"AhighAbyA8AinchAwideAbyA16AinchAlong
C)A8AinchesAhighAbyA7A5/8AinchesAwideAbyA15A5/8AinchesAlong
D)A8AinchesAhighAbyA8AinchesAwideAbyA16AinchesAlongA-ACORRECTAANSWERS-
A)A7A5/8"AhighAbyA7A5/8A"AwideAbyA15A5/8AinchesAlong
WhereAshouldAaAdripAedgeAusedAatAtheAeaveAbeAapplied?
A)AbeneathAtheAunderlayment
B)AdirectlyAtoAtheAunderlayment
C)AOverAtheAstarterAstrip