CSLB B LICENSE GENERAL CONTRACTOR EXAM QUESTIONS

CSLB B LICENSE GENERAL
CONTRACTOR EXAM QUESTIONS
AND ANSWERS 2025-2026
IfAunusedAmortarAstiffensAdueAtoAhydrationAofAcement,AwhatAmustAyouAdo?A-
ACORRECTAANSWERSA-DiscardAtheAmortar

WhatAminimumAtimeAmustAyouAwaitAbeforeAcaulkingAorAgroutingAnewAtiles?A-
ACORRECTAANSWERSA-24-48AHours

HowAlongAshouldAyouAwaitAbeforeAinstallingAtileAonAaAshowerApan?A-
ACORRECTAANSWERSA-24AHours

UnstableAdryArock,AangularAgravel,AsandyAloam,AandAcohesiveAsoilsAhavingAcompressiveAs
trengthsAgreaterAthanA0.5AandAlessAthanA1.5Atons/sqAftA(tsf),AareAtypicalAexamplesAof:A-
ACORRECTAANSWERSA-Type-BASoils

IfA65AstreetAlightsAareAfedAbyAaA2275AvoltAseriesAcircuit,AwhatAisAtheAvoltageAacrossAeachAlig
ht?A-ACORRECTAANSWERSA-35V

InAaAseriesAcircuit,AtheAtotalAvoltageAisAdividedAequally.
ForAsafetyAreasons,AtheAmaximumAsimpleAslopeAofAanAexcavation,AupAtoA20AftAdeep,AinATy
pe-BAsoilAis:A-ACORRECTAANSWERSA-1:1A(45°)
AAPittsburghAjointAisAusedAin:A-ACORRECTAANSWERSA-HVACAductwork
TheAdrainAforAaApressureAreliefAvalveAonAaAwaterAheaterAshouldAbeAextendedAto:A-
ACORRECTAANSWERSA-TheAoutsideAofAtheAbuilding

WhatAisAtheAminimumAslopeAtowardAtheAdrainAofAaAshowerApan?A-
ACORRECTAANSWERSA-1/4"AperAfootA(2%)

WhatAisAtheAdiameterAofA#3Arebar?A-ACORRECTAANSWERSA-3/8"
IfAaAvendorAfailsAtoAprovideAanAMSDS,AyouAhaveAtheArightAtoAcall:A-
ACORRECTAANSWERSA-Cal/OSHAAorADOSH

WhenAinstallingAaAdoorAjamb,AyouAneedAshimsAat:A-ACORRECTAANSWERSA-
BothAhingeAandAstrikeAsides,AthreeAonAeachAside.
WhichAofAtheAfollowingAisAusedAtoAadhereAvinylAfloors?A

A.AEpoxyAcement
B.AAsphaltAmastic
C.ALatexAprimer
D.AWhiteAglueA-ACORRECTAANSWERSA-EpoxyAcement
WhenAdoAyouAneedAbracingAforAaAdrywallAwall?A-ACORRECTAANSWERSA-
DiagonalAbracingAisAneededAeveryA25'AforAanyAdrywallAwall.
HowAshouldAyouAclearAtheArootsAfromAaAconstructionAsite?A-ACORRECTAANSWERSA-
ClearArootsAtoA12"AbelowAgrade.
DividingAwattsAbyAampsAgivesAyou:A-ACORRECTAANSWERSA-Volts
TheAmostAfrequentAon-the-jobAroofingAaccidentsAare:A-ACORRECTAANSWERSA-Falls
WhichAofAtheAfollowingAisANOTAaAtypeAofAwoodAblockAflooring?

,A.AParquet
B.AWoodAMosaic
C.AWoodATile
D.AAllAofAtheAabove.A-ACORRECTAANSWERSA-WoodAtile
LightweightAconcreteAisAbestAusedAfor:

A.ACurbAandAGutter
B.ASecondAfloorAdecking
C.AFirstAfloorAslabAonAgrade
D.AFootingsA-ACORRECTAANSWERSA-SecondAfloorAdecking
TheAtoolAusedAtoAcarryAgroutAneededAtoApatchAaAsmallAholeAisAa:

A.AHawk
B.APolingAboard
C.ASpotAboard
D.AMason'sAscutchA-ACORRECTAANSWERSA-SpotABoard
WhichApipeAisANOTAappropriateAforAindustrialAwastes?

A.ACastAiron
B.AScheduleA40AABSADWV
C.AExtraAstrengthAvitrifiedAclay
D.ACopperA-ACORRECTAANSWERSA-Copper
WhereAdoAyouAneedAaAfireAwall?

A.ABetweenAaAlivingAroomAandAaAbedroom
B.ABetweenAaAbedroomAandAaAbathroom
C.ABetweenAaAkitchenAandAaAbath
D.AAAseparationAwallAbetweenAaAdwellingAandAanAattachmentA-ACORRECTAANSWERSA-
AAseparationAwallAbetweenAaAdwellingAandAanAattachment.
WhatAisAtheAminimumAclearanceAbetweenAroughAgroundAandAuntreatedAsubfloorAjoists?A-
ACORRECTAANSWERSA-18Ainches

WhoAmayAremoveAasbestos?A-ACORRECTAANSWERSA-
ContractorAwithAAsbestosACertificationAonAlicense.
WhichAofAtheAfollowingAisANOTAlikelyAtoAbeAfoundAinAsignificantAproportionsAinAgranularAsoil
?

A.AGravel
B.ASand
C.ASilt
D.AClayA-ACORRECTAANSWERSA-Clay
StilesAandArailsAareAusedAonAwhichAofAtheAfollowing?

A.AFurredAwalls
B.ARoofs
C.AWindows

, D.ASlabsA-ACORRECTAANSWERSA-Windows.

AAstileAisAtheAverticalAedgesAofAtheAwindowAandAtheArailsAareAtheAbottomAandAtop.
WhatAdoesAaAhighAslumpAtestAindicate?A-ACORRECTAANSWERSA-TooAmuchAwater.
MetalAconcreteAformsAshouldAbe?

A.AOiled
B.AWatered
C.APlacedAagainstAgravel
D.ADiscardedAafterAeachAuseA-ACORRECTAANSWERSA-Oiled
WhatAdoesAtheARAmeanAinAaAdescriptionAofAinsulation?A-ACORRECTAANSWERSA-
Resistance
WhatAkindAofAdoorAwouldAyouAinstallAforAsomeoneAwithAaAdisability?

A.AAutomaticAwithAminimumAofA3AsecondsAtoAclose
B.AAutomaticAwithAmaximumAofA5AsecondsAtoAopen
C.AManualAwithAmaximumAofA8.5ApoundsAtoAoperate
D.AEitherAAAorACA-ACORRECTAANSWERSA-EitherAAAorAC
Triple-walledAmetalAchimneyAinstallationsAareAregulatedAby:A-ACORRECTAANSWERSA-
ICC

ICC-IBC-
IRCAisAtheAinternationalAcodeAcouncil.AIBCAisAinternationalAbuildingAcodeAcommercial.AIRC
AisAtheAinternationalAresidentialAcode.

IfAyouAareAaAgeneralAcontractor,AyouAshouldAcallAaAspecialtyAcontractorAwhen:A-
ACORRECTAANSWERSA-YouAencounterAanAunfamiliarAtrade.

WhenAaAstairwayAservesAaApublicAbuilding,AwhatAisAtheAminimumAnumberAofAstepsAforAwhic
hAaAhandrailAisArequired?A-ACORRECTAANSWERSA-Two
WhatAisAtheAminimumAunderlaymentAforAasphaltAshingles?A-ACORRECTAANSWERSA-
15Apounds
HowAlongAshouldAyouAwaitAbeforeAsealingAnewAtileAwork?A-ACORRECTAANSWERSA-
2Aweeks
WhenAdoAyouAinstallAinsulation?A-ACORRECTAANSWERSA-
AfterAtheAelectricalAandAplumbingAareAapproved.
WhenAdoAyouANOTAneedAanAexhaustAfanAinAaAbathroom?A-ACORRECTAANSWERSA-
WhenAthereAisAaAwindowAinAtheAbathroom.
WhatAisAaAbush-hammerAusedAfor?A-ACORRECTAANSWERSA-
RoughenAsurfaceAofAhardenedAconcrete.
WhenAyouAsayAaAwallAisAperfectAitAis:A-ACORRECTAANSWERSA-BothAplumbAandAstraight.
TheApurposeAofAaAbatterAboardAinAconcreteAworkAis:A-ACORRECTAANSWERSA-
SupportAlayoutAstringsAwhenAlocationAfoundations.
WhatAisAtheAdifferenceAbetweenAaAhipAjackArafterAandAaAcommonArafter?A-
ACORRECTAANSWERSA-

AAhipAjackArunsAfromAtheAtopAplateAtoAaAhipArafter,AbutAaAcommonArafterArunsAtoAtheAridgeAb
oard.