General Contractor License - KB2 Study Prep - Full Set Questions and Answers Updated 2026

General Contractor License - KB2
Study Prep - Full Set Questions and
Answers Updated 2026
AtAwhatAstageAofAtheAconstructionAprocessAwouldAtheAbuilderAcutAoutAtheAsoleAplateAinAaAdoorAop
ening?A-AAnswerAafterAtheAwallAhasAbeenAerectedAandAbraced


WhenAwideAsquareAedgeAboardsAareAbeingAusedAforAboardAandAbattenAsiding,AhowAshouldAtheAbat
tenAstripsAbeAnailedA?A-AAnswerAtoAonlyAoneAsidingAboard


AccordingAtoAtheAcode,AtheAminimumAallowableAheightAofAaAguardrailAatAaArestaurantAdeckA(orAan
yAcommercialAbuilding)AisA_____AinchesAaboveAtheAfinishedAfloorAheightAofAtheAdeckAorAbalcony.
A-AAnswerA42


IfAtheAblueprintAdoesAnotAdiscloseAanAexteriorAdoorsAroughAopening,AthenAtheAstandardApracticeAw
ouldAbeAtoAframeAtheAwidthA_____Aoversize.A-AAnswerA2Ainches


HowAareAresilientAchannelsAusedAinAdrywallAapplication?A-
AAnswerAtoAdecreaseAsoundAtransmissionAinAwallsAandApartitions


WhatAscrewsAareAusedAtoAattachAsteelAstudsAtoAtheAtopAandAbottomAsteelAtrack?A-
AAnswerApanAhead,AtypeAS.AItAattachesAstudAtoArunnerAupAtoA14-ga


InAsingleAfamilyAdwellingAsleepingArooms,AtheAminimumAnetAclearAopeningAwidthAofAwindows,Awhic
hAareArequiredAforAemergencyAegressAorArescue,AisA_____Ainches.A-AAnswerA20


AccordingAtoAtheAcodeAwhatAisAtheAminimumAslopeAonAwhichAasphaltAstripAshinglesAmayAbeAinstall
ed?A-AAnswerA2:12


AccordingAtoACodeAtheAMAXIMUMAdiameterAofAaAholeAthatAmayAbeAboredAinAaA2AbyA10AjoistAisA_
____Ainches.A-AAnswerA3

,AccordingAtoAtheACode,AnotchesAallowedAinAtheAtopAorAbottomAofAjoistsAshallAnotAexceedAwhatAfra
ctionAofAtheAdepthAofAtheAjoist?A-AAnswerA1/6


WhileAtrenchingAandAexcavating,AOSHAArequiresAatAleastA_____AfeetAofAclearAunobstructedAdistan
ceAfromAtheAtrenchesAedgeAtoAtheAtoeAorAedgeAofAtheAdirtAorAspoilsApile.A-AAnswerA2Afeet


WhatAisAtheAactualAsizeAofAaA2AxA4AsurfacedAdryApieceAofAframingAlumber?A-AAnswerA1-1/2AbyA3-
1/2


WhatAisAtheAminimumAheightAofAaAguardrailAonAaAresidentialAdeckA?A-AAnswerA36Ainches


AAminimumAtreadArunAforAstairwaysA(otherAthanAspiralAstairs)AinAsingleAfamilyAdwellingsAhavingAa
nAoccupantAloadAofAlessAthanA10AisA_____Ainches.A-AAnswerA10


DampeningAofAtheAsubgradeAorAtheAwoodAconcreteAformsApriorAtoAtheAplacementAofAconcreteAwill:A
-AAnswerApreventArapidAextractionAofAtheAmixingAwaterAfromAtheAconcrete


NotchesAonAtheAendsAofAjoistsAshallAnotAexceedA_____ApercentAofAtheAjoistAdepth.A-
AAnswerA25A(1/4th)


AccordingAtoAcode,AasphaltAshinglesAinstalledAonAroofAwithAaAslopeAofA4:12AorAgreaterArequireAanA
underlaymentAof:A-AAnswerAoneAlayerA#15Anon-perforatedAfelt


HowAmuchAclearanceAisAtheAwoodAframingArequiredAtoAhaveAwhereAaAmasonryAchimneyApassesAthr
oughAtheAroofAopening?A-AAnswerA2Ainches


AsphaltAshinglesAinstalledAinAwarmerAclimatesAwithAaAslopeAofA4AinA12AorAmoreAshouldAhaveAaAm
inimumAunderlaymentAof:A-AAnswerA1AlayerAofA#A15


WhenAshouldAconcreteAcuringAproceduresAstart?A-AAnswerAAsAsoonAasApossibleAafterAfinishing.

, AAkindAofAmoldingAinstalledAonAtheAverticalAwallAusedAtoAacceptAaluminumAsoffitApanelsAis:A-
AAnswerA"F"AChannel


AAconcreteAslabAshouldAbeAbullAfloatedAasAsoonAasApossibleAafter:A-AAnswerAscreeding


AccordingAtoAOSHA,ApoweredAconcreteAtrowelsAthatAareAmanuallyAguidedAshallAbeAequippedAwith:A-
AAnswerAaAhandAreleaseAshutAoffAswitch


WhenAworkersAareArequiredAtoAenterAaAtrench,AshoringAisArequiredAifAtheAtrenchAisAwhatAminimum
Adepth?A-AAnswerA5Afeet


TheAminimumAdistanceAthatAendAjointsAshallAbeAoffsetAinAdoubleAtopAplatesAisA_____Ainches.A-
AAnswerA24


TheAminimumAoverlapAofAverticalAjointsAofAfeltAorApaper,AwhichAisAappliedAtoAexteriorAwalls,AasAa
AweatherAresistantAbarrier,AisA_____Ainches.A-AAnswerANotAlessAthanA6


HowAdoAyouAcalculateAcubicAyardsA?A-AAnswerALAxAWAxAHA=A
thenAdivideAbyA27A=ACubicAYards


WhatAsizeAscrewAshouldAbeAusedAtoAattachAsteelAsheathingAtoAaAmetalAstructure?A-
AAnswerASelfAtappingA#8


SolidAblockingAisArequiredAforAfloorAjoistAthatAexceedAwhatAnominalAsize?A-AAnswerA2AxA12


ExcessiveAslumpAlossAduringAconcreteApumpingAisAanAindicatorAof?A-AAnswerAInadequateApresoaking


TheAminimumAdepthAofAaAfootingAshallAextendAhowAfar?A-AAnswerABelowAtheAfrostAline


WhatAisAtheAminimumArequiredAthicknessAofAaAstructuralAconcreteAwall?A-AAnswerA4Ainches