CSLB B Trade Questions and Answers 2025

CSLB B Trade Questions and Answers 2025
LightweightAconcreteAisABESTAusedAatAthe:
A.AcurbA&Agutter
B.AsecondAfloorAdecking
C.AfirstAfloorAslabAonAgrade
D.AfootingsA-ACORRECTAANSWERSA-B.
SecondAfloorAdecking.
ItAisAcostly,AbutAveryAstrong.AItAoffersAgreatestAadvantageAwhenAusedAforAupperAstoriesA
becauseAitAreducesAtheAstrengthArequirementsAfor
theAsupportingAframework.
WhatAtoolAdoAyouAnormallyAuseAforAstrikingAjoints?
A.Ahaulk
B.Atrowel
C.AjointerAorAjointingAtool
D.AstiffAbrushA-ACORRECTAANSWERSA-B.
AAtrowelAisAnormallyAusedAforAstrikingAjoints.
WhatAisAaAbush-hammerAusedAfor?
A.AinstallAbushingsAonAaAwheel
B.AroughenAsurfacesAofAhardenedAconcrete
C.AstraightenAmetaiAsheeting
D.ApullAobjectsAwithAimpactAactionA-ACORRECTAANSWERSA-B.
RoughenAtheAsurfaceAofAhardenedAconcrete.
ItAisAaAhardenedAsteelAtoolAwithAaAserratedAfaceAorAseveralArowsAofApyramid-
shapedApoints.AItAisAusedAtoAroughenAtheAsurfaceAofAhardenedAconcreteAtoAprovideAbetterA
bondingAofAfreshAconcreteApouredAoverAit.
WhoAdecidesAifA3,000ApsiAstrengthAconcreteAisAfitAtoApour?
A.AstructuralAengineer
B.Asupplier
C.AconcreteAcontractor
D.AbuildingAinspectorA-ACORRECTAANSWERSA-A.
StructuralAengineer.
psiA=ApoundsAperAsquareAinch
ConcreteAshouldAbeApouredAagainst:
AAanyAwoodAsiding
B.AcedarAorAredwoodAsidingAonly
C.AmetalAflashing
D.AmetalAformAmaterialA-ACORRECTAANSWERSA-D.
MetalAformAmaterial.
WhenAmetalAformsAareAnotAused,AonlyA"FormAGrade"Aplywood,AnotAsiding,AshouldAbeAused
AinAtheAwoodAforms.

HowAsoonAshouldAyouApourAconcreteAafterAyouAhave
mixedAitAwithoutAadditives?
A.A1/2AhourA

,B.A1Ahour
C.A4Ahours
D.A8AhoursA-ACORRECTAANSWERSA-A.
1/2Ahour.
YouAshouldAbeginAplacingAconcreteAwithinA30AminutesAofAmixing,AandAitAMUSTAbeAplacedA
withinA90AminutesAtoApreventAtheAconcreteAfromAbecomingAtooAstiffAandAdifficultAtoAplaceAa
ndAfinish.
InAcoldAclimates,AyouAcoverAfreshlyApouredAconcreteAto:
A.ApreventAhydration
B.ApreventAdiscoloration
C.ApreventAwarping
D.ApreventAfreezingA-ACORRECTAANSWERSA-D.
PreventAfreezing.
InAorderAtoAholdAinAtheAheat,AlongAenoughAforAcuring.
WhenAshouldAyouAtrowelAconcrete?
A.AwhenAjustApoured
B.A1AhourAafterApouring
C.AwhenAconcreteAbecomesAfirm,AseveralAhoursAafterApour
D.AafterA24AhoursA-ACORRECTAANSWERSA-C.
YouAshouldAtrowelAconcreteAseveralAhoursAafterApourAwhenAconcreteAbecomesAfirm.
AAvaporAbarrierAmightAnotAbeAneededAbetweenAwoodAandAconcrete:
A.AifAtheAconcreteAisAolderAthanAoneAyear
B.AwithAaAmoisture-proofAsealerAonAtheAwood
C.AAAandAB
D.AneitherAAAnorAB,AitAwillAalwaysAbeAneededA-ACORRECTAANSWERSA-C.AAAandAB
HowAmanyAcubicAyardsAofAcementAareArequiredAforAaAcircleA4inAthick,AwithAaAcircumference
AofA10ft?

A.A1/10Ayd3A
B.A1/5Ayd3A
C.A1/2Ayd3A
D.A1Ayd3A-ACORRECTAANSWERSA-A.
1/10Ayd3A
VolumeA=AareaAxAthickness
AreaAofAaAcircleA=Apr2
rA=AcircumferenceA+A2p
rA=A10A+A2p
p=3.14
r=A10A+A6.28A=1.59Aft
AreaAofAaAcircleA=Apr2
Area::::ApA(1.59)2A==A3.14AxA1.59AxA1.59AArea==A7.94
VolumeA=AareaAxAthickness
4"A+A12"AperAfootA==A0.33333'AVolume==A7.94AxA0.33::::A2.62Aft3AConverAtoAyards
2.62A+A27A=::.097Ayd3A
RoundAtoA0.10AydAorA1/10
WhatAisAtheAcorrectAprocedureAwhenAdrillingAconcrete?
A.AuseAsteady,AmediumApressure

,B.AperiodicallyApullAbackAtoAletAdustAescape
C.AA&B
D.AconcreteAshouldAneverAbeAdrillledA-ACORRECTAANSWERSA-C.AA&B
WhatAisAtheAMINIMUMAsizeAforAanchorAbolts?
A.A1/4"
B.A1/2"
C.A3/4"
D.A1"A-ACORRECTAANSWERSA-B.A1/2"
WhatAisAtheAMINIMUMAdepthAforAaAone-storyAfoundation?
A.A8"
B.A12"
C.A18"
D.A24"A-ACORRECTAANSWERSA-B.A12"
HowAdoAyouAnormallyAsecureAaAwoodAframeAhouseAtoAitsAfoundation?
A.AembedAtheAframeAinAtheAconcreteAfoundation
B.AanchorAtheAframeAtoAtheAconcreteAfoundation
C.AadhereAtheAframeAtoAtheAfoundation
D.AtheieAisAnoAconnectionAbetweenAtheAframeAandAtheAfoundationA-
ACORRECTAANSWERSA-B

AnchorAtheAframeAtoAtheAconcreteAfoundation.
AAwoodAframeAisAnormallyAsecuredAtoAitsAfoundationAbyAanchoring
theAframeAtoAtheAconcreteAfoundation.
WhatAisAtheAMINIMUMAthicknessAofAtheAfootingAofAa
3-storyAbuilding?
A.A4"
B.A6"
C.A8"
D.A10"A-ACORRECTAANSWERSA-C
8"AisAtheAMINIMUMAthickness
ofAtheAfootingAofAaA3-storyAbuilding.
WhatAeffectAdoesAcalciumAchlorideAhaveAonAconcrete?
A.AmakesAitAsetAfaster
B.AmakesAitAsetAslower
C.AmakesAitAstronger
D.AhasAnoAeffectA-ACORRECTAANSWERSA-A.AmakesAitAsetAfaster
WhichAofAtheAfollowingAisAMOSTAcriticalAwhenAmixingAconcrete?
A.Awater-to-cementAratio
B.Awater-to-sandAratio
C.Asand-to-gravelAratio
D.Awater-to-gravelAratioA-ACORRECTAANSWERSA-A.
Water-to-cementAratio.
TooAmuchAwaterAwillAweakenAtheAconcreteAandAtooAlittleAwillAmakeAtheAconcreteAtooAstiffAto
AbeAworkedAeasily.

GradeAbeamsAintendedAtoAintersectAatArightAanglesAshallAbeAsquareAtoAeachAotherAwithinA_
AinchAinA20AdiagonalAfeet.

A.A1

, B.A1-1/8
C.A1-1/4A
D.A1-1/2A-ACORRECTAANSWERSA-A.A1"
MeasureAforAsquareAusingAtheA"3,A4,A5AtriangleAmethod"
AllAfastenersAandAhardwareA(exceptAJ-bolts)AthatAcomeAintoAcontactAwithApressure-
treatedAwoodAshallAbeA_AorAheavyAhot-dippedAgalvanized.
A.AchromiumAsteel
B.AstainlessAsteel
C.Acold-rolledAsteel
D.Ahot-rolledAsteelA-ACORRECTAANSWERSA-B.AstainlessAsteel
WhenAitAcomesAtoAresistingAwindAloads,AwoodAframeAwallsAcanAbeAthoughtAas:
A.AbeamsAonAtheirAsides
B.AcolumnsAlayingAflat
C.AfloorsAinstalledAonAtheirAsides
D.AcollarAtiesAonAtheirAendsA-ACORRECTAANSWERSA-C.
FloorsAinstalledAonAtheirAsides.AWoodAframeAwallsAcanAbeAthoughtAofAasAfloorsAonAtheirAsid
esAwithArespectAtoAwindAloads.ATheAwindAloadAfeelsAtheAsameAtoAaAwallAasApeopleAstanding
AonAaAfloor.

GirtsAinAaAbearingAwallAareAnecessaryAif:
A.AthereAisAnoAmasonryAveneer
B.AthereAisAnoAfinishAonAeitherAsideAofAtheAwall
C.AthereAisAonlyAdrywallAonAoneAsideAofAtheAwallAandAnothingAonAtheAother
D.AthereAisAonlyAplywoodAsidingAonAoneAsideAofAtheAwallAandAnothingAonAtheAotherAsideA-
ACORRECTAANSWERSA-B.

ThereAisAnoAfinishAonAeitherAsideAofAtheAwall.
BearingAwallsAneedAgirtsAifAthereAisAnoAsheathingAorAdrywall,AforAexample,AonAeitherAside.
CondensationAinAnorthernAclimatesAformsAinAwalls:
A.AonAtheirAwarmestAsurfacesAonly
B.AasAaAresultAofAindoorAairAleakingAintoAtheAwalls
C.AasAaAresultAofAoutdoorAairAleakingAintoAtheAwalls
D.AwhichApreventsArotAbyAkeepingAallAofAtheAwoodAatAtheAsameAmoistureAcontentA-
ACORRECTAANSWERSA-B.

CondensationAusuallyAresultsAfromAindoorAairAleakingAintoAtheAwalls.
AAlackAofAfirestoppingAinAaAplatformAframedAhouseAisAMOSTAcommon:
A.AonAexteriorAwaits
B.AaroundAchimneysAandApipes
C.AatAelectricalAchases
D.AonAinteriorAwallsA-ACORRECTAANSWERSA-B.
AAtackAofAfirestoppingAisAMOSTAcommonAaroundAchimneysAandApipes.
CollarAtiesAareAinstalledAinAroofAframingAto:
A.ApreventApurlinAsag
B.AprovideAlateralAsupportAforAtheAtopAofAtheAwalls
C.AsupportAtheAendAwallsAofAgableAroofs
D.ApreventAraftersAfromAsaggingA-ACORRECTAANSWERSA-D.
CollarAtiesApreventAraftersAfromAsagging
OffsetAwallsAsupportingAfloorAloadsAabove: