MASSACHUSETTS UNRESTRICTED CSL
PRACTICE AND REVIEW QUESTIONS AND
ANSWERS WITH SOLUTIONS 2025
ABchildBdayBcareBfacilityBthatBprovidesBcareBonBaB24BhourBbasisBforBmoreBthanBfiveBchildrenBtwoByearsBnin
eBmonthsBofBageBorBlessBshallBbeBclassifiedBasBUseBGroupB_____B?B-BcorrectBanswer-1-4B
IBCB-BsectionB308.5.2B-BmassBamendments
B
WhenBconductingBstrengthBtestBofBconcrete,BtestBareBnotBrequiredBwhenBtheBvolumeBofBconcreteBisBlessBtha
nB____BcubicByards,BandBevidenceBofBsatisfactoryBstrengthBisBsubmittedBtoBandBapprovedBbyBtheBbuildingBo
fficialB-BcorrectBanswer-10B
IBCB-BsectionB1905.6.2B-Bexceptions-massBamendments
TheBminimumBamountBofBglazingBareaBrequiredBforBaBhabitableBroomBinBaBsingleBfamilyBdwellingBthatBme
asuresB20Bft.BxB30Bft.BisB____BsquareBfeetB-BcorrectBanswer-48B
IRCB-BsectionBR303.1
WhichBtypeBofBconstructionBbestBdescribesBaBstructureBconsistingBofBexteriorBwallsBconstructedBofBnoncom
bustibleBmaterialsBandBtheBinteriorBbuildingBelementsBareBofBsolidBorBlaminatedBwoodBwithoutBconcealedBs
paces?B-BcorrectBanswer-TypeBIVB
IBCB-BsectionB602.4
ABfoundationBthatBhasBaBfinishedBgradeBthatBslopesBawayBformBtheBbuildingBmustBbeBaBminimumBofB____Bi
nchesBlowerBatBaBpointB____BfeetBawayBfromBtheBfaceBofBtheBwallB-BcorrectBanswer-6,B10B
IBCB-BsectionB1804.3
,FootingsBforBmasonryBchimneysBshallBextendBaBminimumBofB____BinchesBbeyondBtheBfaceBofBtheBfoundati
onBorBsupportBwallBonBallBsidesB-BcorrectBanswer-6B
IBCB-BsectionB2113.2
TheBconnectionBbetweenBaBpressureBtreatedBdeckBledgerBandBaB2BinchBnominalBlumberBbandBjoistBinBaBsing
leBfamilyBdwelling,BbearingBonBaBsillBplateBorBwall,BshallBbeBconstructedBwithBaBminimumB____BinchBladBs
crewBorBboltB-BcorrectBanswer-1/2B
IRCB-BsectionBR502.2.2.1
WhatBisBtheBclearanceBrequiredBfromBtheBopeningBofBaBfireplaceBtoBcombustiblesBsuchBasBtrimBandBmantels
BplacedBdirectlyBonBtheBfrontBofBtheBfireplace?B-BcorrectBanswer-6Binches
IBCB-BsectionB2111.11B-BexceptionB4
WhatBisBtheBminimumBrequiredBflueBsizeBforBaBrectangularBflueBinBaBchimneyBservingBaBfireplaceBforBaBsin
gleBfamilyBdwellingBwithBanBopeningBofB500BsquareBinchesBwithBaBheightBofB15Bfeet?B-BcorrectBanswer-
8BxB12
IRCB-BfigureBR1003.15.2
WhichBofBtheBfollowingBisBNOTBanBeffectiveBmethodBofBpreventingBefflorescence?
A.BformingBgoodBmortarBjoints
B.BusingBhigh-earlyBstrengthBcement
C.BstockingBmaterialsBoffBofBtheBground
D.BcoveringBmaterialsBatBallBtimesB-BcorrectBanswer-UsingBhigh-earlyBstrengthBcement
classBhandouts
,WhatBisBtheBmaximumBtemperatureBaBflueBliningBusedBinBaBresidential-
typeBapplianceBinBaBmasonryBchimney,BinBaBsingleBfamilyBdwelling,BmustBresist?B-BcorrectBanswer-
1,800BdegreesBFB
IRCB-BsectionBR1003.11.1B#4
WhichBofBtheBfollowingBisBNOTBtrueBregardingBtheBplacementBofBmasonryBunitsBinBaBsingleBfamilyBdwelli
ng?
A.BmortarBshallBbeBplastic
B.BsurfacesBshallBbeBcleanBandBfreeBofBdeleteriousBmaterial
C.BunitsBwhereBinitialBbondBisBbrokenBshallBbeBremovesBandBrelaid
D.BdeepBfurrowingBofBbedBjointsB-BcorrectBanswer-DeepBfurrowingBofBbedBjoints
IRCB-BsectionB607.2.2
WhatBisBtheBminimumBrequiredBdepthBofBfireplaceBfireblockingBbetweenBwoodBjoists,BbeamsBorBheaders?B-
BcorrectBanswer-1Binch
IBCB-BsectionB2111.12
WhatBisBtheBminimumBrequiredBthicknessBofBaBmortarBjointBinBaBmasonryBunitBwallBinBaBoneBorBtwoBfamily
Bdwelling?B-BcorrectBanswer-3/8Binch
IRCB-BsectionBR607.2.1
InBaBsingleBfamilyBdwellingBwithBanB8:12BroofBpitchBandBaBcricketBhightBofB12Binches,BwhatBisBtheBwidthBo
fBtheBcricket?B-BcorrectBanswer-36Binches
IRCB-BtableBR1003.20
WhichBofBtheBfollowingBisBNOTBtrueBregardingBmasonryBchimneysBinBaBoneBorBtwoBfamilyBdwelling?
, A.BchimneysBmayBsupportBadditionalBloadsBifBdesignedBtoBdoBso
B.BmustBextendBaBminimumBofB3BfeetBaboveBhighestBpointBwhereBpassingBthroughBroof
C.BchimneysBmayBbeBunlined
D.BwallsBmustBbeBaBminimumBofB4BinchesBinBthicknessB-BcorrectBanswer-ChimneysBmayBbeBunlined
IRCB-BsectionBR1003.11
WhichBofBtheBfollowingBisBNOTBtrueBregardingBsecond-handBmasonryBunits?
A.BoldBmortarBmustBbeBcleanedBfromBunit
B.BunitsBmustBbeBfreeBofBcracksBandBotherBdefects
C.BunitsBmustBconformBtoBrequirementsBofBnewBunits
D.BmayBnotBbeBusedBunderBanyBcircumstancesB-BcorrectBanswer-MayBnotBbeBusedBunderBanyBcircumstances
IBCB-BsectionB2103.7
WhatBisBtheBdiameterBofBaB#6Bre-bar?B-BcorrectBanswer-3/4Binch
handouts
WhatBisBtheBreactionBbetweenBwaterBandBportlandBcementBwhichBcausesBitBtoBharden?B-BcorrectBanswer-
HeatBofBhydration
handouts
WhenBusedBasBanBingredientBinBshotcrete,BcanBcourseBaggregateBhaveBaBdiameterBofB7/8Binch?B-
BcorrectBanswer-No
IBCB-BsectionB1913.3
PRACTICE AND REVIEW QUESTIONS AND
ANSWERS WITH SOLUTIONS 2025
ABchildBdayBcareBfacilityBthatBprovidesBcareBonBaB24BhourBbasisBforBmoreBthanBfiveBchildrenBtwoByearsBnin
eBmonthsBofBageBorBlessBshallBbeBclassifiedBasBUseBGroupB_____B?B-BcorrectBanswer-1-4B
IBCB-BsectionB308.5.2B-BmassBamendments
B
WhenBconductingBstrengthBtestBofBconcrete,BtestBareBnotBrequiredBwhenBtheBvolumeBofBconcreteBisBlessBtha
nB____BcubicByards,BandBevidenceBofBsatisfactoryBstrengthBisBsubmittedBtoBandBapprovedBbyBtheBbuildingBo
fficialB-BcorrectBanswer-10B
IBCB-BsectionB1905.6.2B-Bexceptions-massBamendments
TheBminimumBamountBofBglazingBareaBrequiredBforBaBhabitableBroomBinBaBsingleBfamilyBdwellingBthatBme
asuresB20Bft.BxB30Bft.BisB____BsquareBfeetB-BcorrectBanswer-48B
IRCB-BsectionBR303.1
WhichBtypeBofBconstructionBbestBdescribesBaBstructureBconsistingBofBexteriorBwallsBconstructedBofBnoncom
bustibleBmaterialsBandBtheBinteriorBbuildingBelementsBareBofBsolidBorBlaminatedBwoodBwithoutBconcealedBs
paces?B-BcorrectBanswer-TypeBIVB
IBCB-BsectionB602.4
ABfoundationBthatBhasBaBfinishedBgradeBthatBslopesBawayBformBtheBbuildingBmustBbeBaBminimumBofB____Bi
nchesBlowerBatBaBpointB____BfeetBawayBfromBtheBfaceBofBtheBwallB-BcorrectBanswer-6,B10B
IBCB-BsectionB1804.3
,FootingsBforBmasonryBchimneysBshallBextendBaBminimumBofB____BinchesBbeyondBtheBfaceBofBtheBfoundati
onBorBsupportBwallBonBallBsidesB-BcorrectBanswer-6B
IBCB-BsectionB2113.2
TheBconnectionBbetweenBaBpressureBtreatedBdeckBledgerBandBaB2BinchBnominalBlumberBbandBjoistBinBaBsing
leBfamilyBdwelling,BbearingBonBaBsillBplateBorBwall,BshallBbeBconstructedBwithBaBminimumB____BinchBladBs
crewBorBboltB-BcorrectBanswer-1/2B
IRCB-BsectionBR502.2.2.1
WhatBisBtheBclearanceBrequiredBfromBtheBopeningBofBaBfireplaceBtoBcombustiblesBsuchBasBtrimBandBmantels
BplacedBdirectlyBonBtheBfrontBofBtheBfireplace?B-BcorrectBanswer-6Binches
IBCB-BsectionB2111.11B-BexceptionB4
WhatBisBtheBminimumBrequiredBflueBsizeBforBaBrectangularBflueBinBaBchimneyBservingBaBfireplaceBforBaBsin
gleBfamilyBdwellingBwithBanBopeningBofB500BsquareBinchesBwithBaBheightBofB15Bfeet?B-BcorrectBanswer-
8BxB12
IRCB-BfigureBR1003.15.2
WhichBofBtheBfollowingBisBNOTBanBeffectiveBmethodBofBpreventingBefflorescence?
A.BformingBgoodBmortarBjoints
B.BusingBhigh-earlyBstrengthBcement
C.BstockingBmaterialsBoffBofBtheBground
D.BcoveringBmaterialsBatBallBtimesB-BcorrectBanswer-UsingBhigh-earlyBstrengthBcement
classBhandouts
,WhatBisBtheBmaximumBtemperatureBaBflueBliningBusedBinBaBresidential-
typeBapplianceBinBaBmasonryBchimney,BinBaBsingleBfamilyBdwelling,BmustBresist?B-BcorrectBanswer-
1,800BdegreesBFB
IRCB-BsectionBR1003.11.1B#4
WhichBofBtheBfollowingBisBNOTBtrueBregardingBtheBplacementBofBmasonryBunitsBinBaBsingleBfamilyBdwelli
ng?
A.BmortarBshallBbeBplastic
B.BsurfacesBshallBbeBcleanBandBfreeBofBdeleteriousBmaterial
C.BunitsBwhereBinitialBbondBisBbrokenBshallBbeBremovesBandBrelaid
D.BdeepBfurrowingBofBbedBjointsB-BcorrectBanswer-DeepBfurrowingBofBbedBjoints
IRCB-BsectionB607.2.2
WhatBisBtheBminimumBrequiredBdepthBofBfireplaceBfireblockingBbetweenBwoodBjoists,BbeamsBorBheaders?B-
BcorrectBanswer-1Binch
IBCB-BsectionB2111.12
WhatBisBtheBminimumBrequiredBthicknessBofBaBmortarBjointBinBaBmasonryBunitBwallBinBaBoneBorBtwoBfamily
Bdwelling?B-BcorrectBanswer-3/8Binch
IRCB-BsectionBR607.2.1
InBaBsingleBfamilyBdwellingBwithBanB8:12BroofBpitchBandBaBcricketBhightBofB12Binches,BwhatBisBtheBwidthBo
fBtheBcricket?B-BcorrectBanswer-36Binches
IRCB-BtableBR1003.20
WhichBofBtheBfollowingBisBNOTBtrueBregardingBmasonryBchimneysBinBaBoneBorBtwoBfamilyBdwelling?
, A.BchimneysBmayBsupportBadditionalBloadsBifBdesignedBtoBdoBso
B.BmustBextendBaBminimumBofB3BfeetBaboveBhighestBpointBwhereBpassingBthroughBroof
C.BchimneysBmayBbeBunlined
D.BwallsBmustBbeBaBminimumBofB4BinchesBinBthicknessB-BcorrectBanswer-ChimneysBmayBbeBunlined
IRCB-BsectionBR1003.11
WhichBofBtheBfollowingBisBNOTBtrueBregardingBsecond-handBmasonryBunits?
A.BoldBmortarBmustBbeBcleanedBfromBunit
B.BunitsBmustBbeBfreeBofBcracksBandBotherBdefects
C.BunitsBmustBconformBtoBrequirementsBofBnewBunits
D.BmayBnotBbeBusedBunderBanyBcircumstancesB-BcorrectBanswer-MayBnotBbeBusedBunderBanyBcircumstances
IBCB-BsectionB2103.7
WhatBisBtheBdiameterBofBaB#6Bre-bar?B-BcorrectBanswer-3/4Binch
handouts
WhatBisBtheBreactionBbetweenBwaterBandBportlandBcementBwhichBcausesBitBtoBharden?B-BcorrectBanswer-
HeatBofBhydration
handouts
WhenBusedBasBanBingredientBinBshotcrete,BcanBcourseBaggregateBhaveBaBdiameterBofB7/8Binch?B-
BcorrectBanswer-No
IBCB-BsectionB1913.3