Sample Questions RBC and Answers 2025
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AAwallAonAaAdrawingAwithAaAscaleAofA1/4"A=1-
footAmeasuresA5A1/2".AHowAlongAisAtheAwallAinAfeet?A-ACORRECTAANSWERS-22'A-
A(5A1/2=A5A2/4A5X4=20A+2A=22')
AAlineAonAaAdrawingAisAcomposedAofAlongAandAshortAdashes.AWhatAisAtheAnameAofAthisAline
?A-ACORRECTAANSWERS-AAcenterline
MostAconstructionAlumberAisAcutA____AsawnA-ACORRECTAANSWERS-FlatAsawn
WhatAisAtheAminimumAnominalAthicknessAofAtheAridgeAboard?A-ACORRECTAANSWERS-
1Ainch
HowAManyAjackAstudsAwillAbeArequiredAforAaA2-
2x12AheaderAinAanAinteriorAbearingAwallAsupportingAoneAfloorAonly,AbuildingAwidthAofA28',Aa
ndAaAspanAofA7'-0"A-ACORRECTAANSWERS-2AJackAstudArequired
WhatAisAtheAmaximumAholeAthatAmayAbeAcutAinAaA2X12AnominalAfloorAjoist?A-
ACORRECTAANSWERS-4"AInches
WhatAsizeAstrapAisArequiredAifAaAtopAplateAisAnotchedAmoreAthanA50%AofAitsAwidth?A-
ACORRECTAANSWERS-16AgageAinAthicknessAandA1A1/2"Awide
TheAendAofAaAwoodAjoistAmustAbearAonAaAwoodAbeamAbyAatAleastA_____inches?A-
ACORRECTAANSWERS-1A1/2
TheAdimensionAofAfineAaggregateAinAconcreteAisAupAtoA___A"AinAdiameterAandAcoarseAaggre
gateAisAlargerAthan_____".A-ACORRECTAANSWERS-1/4AforAboth
ConcreteAgainsAmostAofAitsAstrengthAinAhowAmanyAdays?A-ACORRECTAANSWERS-
28Adays
InAwhatAsectionAofAtheAspanAofAaAfloorAjoistAisAitANOTApermittedAtoAcutAaAnotch?A-
ACORRECTAANSWERS-MiddleAthird
WhatAmaterialAisArequiredAforAtheAdoorAofAanAashAdumpAcleanout?A-
ACORRECTAANSWERS-FerrousAmetalAorAmasonry
AAcricketAisArequiredAwhenAtheAwidthAofAaAchimneyAisAgreaterAthanA_____inches.A-
ACORRECTAANSWERS-30"
InAwhatAdirectionAmustAtheAaccessAgateAofAaApoolAswing?A-ACORRECTAANSWERS-
Outwards
WhatAisAtheAminimumAceilingAheightAoverAaAbathtub?A-ACORRECTAANSWERS-6'-8"
WhatAisAtheAmaximumAunsupportedAheightAofAaApierAconsistingAofA12"X16"AhollowAcoreAbl
ocksAfilledAwithAtypeASAmortar?A-ACORRECTAANSWERS-120"
WhatAisAtheAleastAoutsideAcircularAdiameterAofAaAhandrail?A-ACORRECTAANSWERS-1A1/4"
InsulationAshallAhaveAaAsmoke-developedAindexAnotAtoAexceed?A-
ACORRECTAANSWERS-NotAtoAexceedA450
FromAwhereAmustAaAsmokeAalarmAdrawAitsAprimaryApower?A-ACORRECTAANSWERS-
buildingAwiring
WhatAisAtheAliveAloadAofAanAatticAwithAhabitableAspace?A-ACORRECTAANSWERS-30A#
WhatAisAtheArequiredAwidthAandAheightAofAtheAegressAdoor?___X___?A-
ACORRECTAANSWERS-32X78
, TheAheaderAisAanAexteriorAbearingAwallAofAaAbuildingAthatAisA28AfeetAwide,A50ApoundAsnowAl
oad,AsupportsAaAroof,AceilingAandAoneAcenterAbearingAfloor.AIfA3-
2X12SAareAused,AwhatAisAtheAallowableAspan?A-ACORRECTAANSWERS-8'-0"
HowAfarAintoAconcreteAmustAanchorAboltsAextend?A-ACORRECTAANSWERS-7"
WhatAisAtheAmaximumAheightAofAtheAbackfillAforAaAplayAmasonryAfoundationAwall,A8"AhighAa
ndA8"Athick,AisAconstructedAinAtypeAGW Asoil?A-ACORRECTAANSWERS-5'
IfAaAfootingAisA18"Awide,AwhatAisAtheAmaximumAwidthAofAaAfoundationAwallAplacedAonAthisAfo
oting?A-ACORRECTAANSWERS-14"
WhatAisAtheAslopeAallowanceAforAtheAbottomAofAaAfooting___inA____A-
ACORRECTAANSWERS-1AunitAinA10A=A10%ASlope
HowAfarAmustAfoundationAgravelAextendAaboveAtheAfootingAdrain?A-
ACORRECTAANSWERS-6"
WhatAdistanceAfromAaAwallAmustAbeAbaseAofAaAladderAbeAplacedAthatAhasAaAworkingAlength
AofA16'?A-ACORRECTAANSWERS-4'A-itAisA1/4AtheAworkingAlength
WhatAisAtheAtermAforAtheAbasicAstartingApointAforAtheAlayoutAofAaAbuilding?A-
ACORRECTAANSWERS-benchmark
WhatAisArequiredAtoAventAaAhipAroof?A-ACORRECTAANSWERS-soffitAandAridgeAvents
WhatAisAtheAoverlapAinAinchesAofAnominalA8"APalin-bevelAwoodAsidingAboard?A-
ACORRECTAANSWERS-1A1/4"AplainAbevelAwoodAsiding
WhatAisAtheAnailingArequirementAforAaAplywoodAsoffit?A-ACORRECTAANSWERS-
4DAnailsAspacedA6"Aapart
WhatAisAtheAspacingAInAinchesApfAveneerAties?A-ACORRECTAANSWERS-36Ainches
WhatAisAtheAminimumApenetrationAofAaAdrywallAscrewAintoAwoodA?A-
ACORRECTAANSWERS-5/8"
WhatAisAtheAminimumAwidthAofAaAstairway?A-ACORRECTAANSWERS-36"
WhatAisAtheAmostAoftenAusedAhingeAforAhangingAresidentialAdoors?A-
ACORRECTAANSWERS-looseApinAbuttAmortiseAhinge
WhatAsizeAwindowAisArequiredAinAaAbathroomAifAthereAisAnoAmechanicalAventilation?A-
ACORRECTAANSWERS-3AsquareAfeet
WhatAisAtheAminimumAwidthAofAaAhallway?A-ACORRECTAANSWERS-3'
InAVirginia,AwhatAareAtheARAValueAinsulationArequirementsAforAtheAceiling,Awall,AandAfloor.A-
ACORRECTAANSWERS-49,A20,A19
TheAunder-floorAspaceAventsAmustAbeAcoveredAwithAmaterialAwithAaAleastAdimensionAof?A-
ACORRECTAANSWERS-1/4"
WhatAisAtheAmaximumAslumpAofAconcreteAplacedAinAremovableAforms?A-
ACORRECTAANSWERS-6"
TheAendAjointsAofAdoubleAtopAplatesAmustAbeAoffsetAatAleast________?A-
ACORRECTAANSWERS-24"
What'sAtheArequiredAclearanceAofAwoodAsidingAfromAtheAgroundAbeforeAitAisArequiredAtoAbeA
preservativeAtreatedA?A-ACORRECTAANSWERS-6"
WhatAisArequiredAtoAsupportAbrickAveneerAaboveAopeningsAinAexteriorAwalls?A-
ACORRECTAANSWERS-Lintel
WhatAisAtheAminimumAstrokeAwidthAofAsiteAaddressAnumbers?A-ACORRECTAANSWERS-
1/2"
What'sAtheApredominantAbackgroundAcolorAofAaADangerAsign?A-ACORRECTAANSWERS-
RED
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AAwallAonAaAdrawingAwithAaAscaleAofA1/4"A=1-
footAmeasuresA5A1/2".AHowAlongAisAtheAwallAinAfeet?A-ACORRECTAANSWERS-22'A-
A(5A1/2=A5A2/4A5X4=20A+2A=22')
AAlineAonAaAdrawingAisAcomposedAofAlongAandAshortAdashes.AWhatAisAtheAnameAofAthisAline
?A-ACORRECTAANSWERS-AAcenterline
MostAconstructionAlumberAisAcutA____AsawnA-ACORRECTAANSWERS-FlatAsawn
WhatAisAtheAminimumAnominalAthicknessAofAtheAridgeAboard?A-ACORRECTAANSWERS-
1Ainch
HowAManyAjackAstudsAwillAbeArequiredAforAaA2-
2x12AheaderAinAanAinteriorAbearingAwallAsupportingAoneAfloorAonly,AbuildingAwidthAofA28',Aa
ndAaAspanAofA7'-0"A-ACORRECTAANSWERS-2AJackAstudArequired
WhatAisAtheAmaximumAholeAthatAmayAbeAcutAinAaA2X12AnominalAfloorAjoist?A-
ACORRECTAANSWERS-4"AInches
WhatAsizeAstrapAisArequiredAifAaAtopAplateAisAnotchedAmoreAthanA50%AofAitsAwidth?A-
ACORRECTAANSWERS-16AgageAinAthicknessAandA1A1/2"Awide
TheAendAofAaAwoodAjoistAmustAbearAonAaAwoodAbeamAbyAatAleastA_____inches?A-
ACORRECTAANSWERS-1A1/2
TheAdimensionAofAfineAaggregateAinAconcreteAisAupAtoA___A"AinAdiameterAandAcoarseAaggre
gateAisAlargerAthan_____".A-ACORRECTAANSWERS-1/4AforAboth
ConcreteAgainsAmostAofAitsAstrengthAinAhowAmanyAdays?A-ACORRECTAANSWERS-
28Adays
InAwhatAsectionAofAtheAspanAofAaAfloorAjoistAisAitANOTApermittedAtoAcutAaAnotch?A-
ACORRECTAANSWERS-MiddleAthird
WhatAmaterialAisArequiredAforAtheAdoorAofAanAashAdumpAcleanout?A-
ACORRECTAANSWERS-FerrousAmetalAorAmasonry
AAcricketAisArequiredAwhenAtheAwidthAofAaAchimneyAisAgreaterAthanA_____inches.A-
ACORRECTAANSWERS-30"
InAwhatAdirectionAmustAtheAaccessAgateAofAaApoolAswing?A-ACORRECTAANSWERS-
Outwards
WhatAisAtheAminimumAceilingAheightAoverAaAbathtub?A-ACORRECTAANSWERS-6'-8"
WhatAisAtheAmaximumAunsupportedAheightAofAaApierAconsistingAofA12"X16"AhollowAcoreAbl
ocksAfilledAwithAtypeASAmortar?A-ACORRECTAANSWERS-120"
WhatAisAtheAleastAoutsideAcircularAdiameterAofAaAhandrail?A-ACORRECTAANSWERS-1A1/4"
InsulationAshallAhaveAaAsmoke-developedAindexAnotAtoAexceed?A-
ACORRECTAANSWERS-NotAtoAexceedA450
FromAwhereAmustAaAsmokeAalarmAdrawAitsAprimaryApower?A-ACORRECTAANSWERS-
buildingAwiring
WhatAisAtheAliveAloadAofAanAatticAwithAhabitableAspace?A-ACORRECTAANSWERS-30A#
WhatAisAtheArequiredAwidthAandAheightAofAtheAegressAdoor?___X___?A-
ACORRECTAANSWERS-32X78
, TheAheaderAisAanAexteriorAbearingAwallAofAaAbuildingAthatAisA28AfeetAwide,A50ApoundAsnowAl
oad,AsupportsAaAroof,AceilingAandAoneAcenterAbearingAfloor.AIfA3-
2X12SAareAused,AwhatAisAtheAallowableAspan?A-ACORRECTAANSWERS-8'-0"
HowAfarAintoAconcreteAmustAanchorAboltsAextend?A-ACORRECTAANSWERS-7"
WhatAisAtheAmaximumAheightAofAtheAbackfillAforAaAplayAmasonryAfoundationAwall,A8"AhighAa
ndA8"Athick,AisAconstructedAinAtypeAGW Asoil?A-ACORRECTAANSWERS-5'
IfAaAfootingAisA18"Awide,AwhatAisAtheAmaximumAwidthAofAaAfoundationAwallAplacedAonAthisAfo
oting?A-ACORRECTAANSWERS-14"
WhatAisAtheAslopeAallowanceAforAtheAbottomAofAaAfooting___inA____A-
ACORRECTAANSWERS-1AunitAinA10A=A10%ASlope
HowAfarAmustAfoundationAgravelAextendAaboveAtheAfootingAdrain?A-
ACORRECTAANSWERS-6"
WhatAdistanceAfromAaAwallAmustAbeAbaseAofAaAladderAbeAplacedAthatAhasAaAworkingAlength
AofA16'?A-ACORRECTAANSWERS-4'A-itAisA1/4AtheAworkingAlength
WhatAisAtheAtermAforAtheAbasicAstartingApointAforAtheAlayoutAofAaAbuilding?A-
ACORRECTAANSWERS-benchmark
WhatAisArequiredAtoAventAaAhipAroof?A-ACORRECTAANSWERS-soffitAandAridgeAvents
WhatAisAtheAoverlapAinAinchesAofAnominalA8"APalin-bevelAwoodAsidingAboard?A-
ACORRECTAANSWERS-1A1/4"AplainAbevelAwoodAsiding
WhatAisAtheAnailingArequirementAforAaAplywoodAsoffit?A-ACORRECTAANSWERS-
4DAnailsAspacedA6"Aapart
WhatAisAtheAspacingAInAinchesApfAveneerAties?A-ACORRECTAANSWERS-36Ainches
WhatAisAtheAminimumApenetrationAofAaAdrywallAscrewAintoAwoodA?A-
ACORRECTAANSWERS-5/8"
WhatAisAtheAminimumAwidthAofAaAstairway?A-ACORRECTAANSWERS-36"
WhatAisAtheAmostAoftenAusedAhingeAforAhangingAresidentialAdoors?A-
ACORRECTAANSWERS-looseApinAbuttAmortiseAhinge
WhatAsizeAwindowAisArequiredAinAaAbathroomAifAthereAisAnoAmechanicalAventilation?A-
ACORRECTAANSWERS-3AsquareAfeet
WhatAisAtheAminimumAwidthAofAaAhallway?A-ACORRECTAANSWERS-3'
InAVirginia,AwhatAareAtheARAValueAinsulationArequirementsAforAtheAceiling,Awall,AandAfloor.A-
ACORRECTAANSWERS-49,A20,A19
TheAunder-floorAspaceAventsAmustAbeAcoveredAwithAmaterialAwithAaAleastAdimensionAof?A-
ACORRECTAANSWERS-1/4"
WhatAisAtheAmaximumAslumpAofAconcreteAplacedAinAremovableAforms?A-
ACORRECTAANSWERS-6"
TheAendAjointsAofAdoubleAtopAplatesAmustAbeAoffsetAatAleast________?A-
ACORRECTAANSWERS-24"
What'sAtheArequiredAclearanceAofAwoodAsidingAfromAtheAgroundAbeforeAitAisArequiredAtoAbeA
preservativeAtreatedA?A-ACORRECTAANSWERS-6"
WhatAisArequiredAtoAsupportAbrickAveneerAaboveAopeningsAinAexteriorAwalls?A-
ACORRECTAANSWERS-Lintel
WhatAisAtheAminimumAstrokeAwidthAofAsiteAaddressAnumbers?A-ACORRECTAANSWERS-
1/2"
What'sAtheApredominantAbackgroundAcolorAofAaADangerAsign?A-ACORRECTAANSWERS-
RED
