Az ROC Trade Exam B-3 License UPDATED Exam
Questions and CORRECT Answers 2025-2026
WhatAA isAA theAAappropriateA A gapAA betweenAA gypsumA A boardAAandAA aAA tubAA surround?A A -
ANSWERM-M1/4Minch
M
SprayedAA fireA A resistantA A materialsA A areA A identifiedA A by
andAAthicknessAArequire
dAAforAAaAAgivenAArating.AA-MANSWERM-Density.
WhatA A isA A theAAmostAA importantAA factorA A inAA determiningA A theAA"R"A A valueAA ofA A blownA A inA A insul
ation?
-MANSWERM-Density.
ReferAAtoAAtheAAillustrationAAofAAaAA2AAstoryAAhouseAAw/AAlapAAsidingAAplans,AA(completeAAsetA
AofAAplansA A atAAtheAAtestAAcenter),AAWhatAAareAAtheAAlengthsAAofAAtheAAsecondAAfloorAAtrusse
s?AA-MANSWERM-
30MfeetM6MinchesMandM13MfeetM5Minches.
ReferAAtotAAtheAAillustrationAAofAAaAA2AAstoryAAhouseAAw/AAlapAAsidingAAplans,AA(completeAAsetAA
ofAAplansA A atAAtheAAtestAAcenter),AAwhatAAisAAtheAAheightAAofAAtheAAfoyerAAinAAinches?A A -
MANSWERM-inches.
A
isAAaAAsystemAAcomponentAAthatAAreceivesAAtheAAinputsAAfromAAautomati
cAAanA A dA A manualA A fireA A alarmA A devicesA A andA A mayA A beA A capableA A ofA A supplyingA A power
A A toA A theA A detectioAAnAAdevicesAAandAAtranspondersAAorAAoff-premisesAAtransmitters.AA-
MANSWERM-
FireMAlarmMControlMUnit.
OnAAgradedAA sites,AAtheA A topAA ofAA anyAAexteriorAA foundationA A shallAAextendAA aboveAA theAAelevat
ionA A of
:
-MANSWERM-TheMstreetMgutterMatMpointMofMdischarge.
WhatA A isAA theA A thicknessAAofA A aAA footingAAforAA aAA singleA A storyAAframeA A residence?A A -
MANSWERM-
6Minches.
WhichAAofA A theAAfollowingA A isA A theAAmostA A importantAA whenA A decidingA A theA A depthA A ofA A aAA footi
ng?A A -
MANSWERM-DepthMofMtheMfrostMline.
ReferAAtotAAtheAAillustrationAAofAAaAA2AAstoryAAhouseAAw/AAlapAAsidingAAplans,AA(availableAAatAAt
heAAtestingAAcenter)AAHowAAmanyAAacresAAisAAtheAAsiteAAforAAtheAAhouseAAplan?AA-
MANSWERM-1/3Macre.
WhichAAofAAtheAAfollowingAAcanAAbeAAusedAAasAAbackfillAAoutsideAAaAAfoundationAAwithoutAAbeingAA
,comAApacted?AA-MANSWERM-ControlledMlowMstrengthMmaterial.
ForAAsoilsAAclassifiedAAasAAsandyAAgravel,AAfoundationAApressureAAshallAAnotAAexceedAAho
wAAmanyAAPSI?AA-MANSWERM-3000MPoundsMperMSquareMFoot.
WhichAAofAAtheAAfollowingAAshallAAnotAAbeAAassumedAAtoAAhaveAAaAAloadAAbearingAAcapacityAAf
orAAfoundAAations?AA-MANSWERM-OrganicMSilt
, TheAAsoilAAreportAAstatesAAthatAAtheAAsoilAAisAAsandy-
gravel.AAWhatAAisAAtheAAsoil'sAAload-AAbearingAAvalue?AA-MANSWERM-3,000MPSF
AccordingAAtoAAcode,AAwhatAAisAAtheAAminimumAArequiredAAwidthAAofAAaAAfootingAAinAAsoilAArat
edAAatAA20AA00A A PSFAAforAAaA A singleA A storyAAbuildingA A withAA8A A inchA A thickAAmasonryAAwalls
?A A -MANSWERM-
12Minches
WhatA A isAA theAAminimumA A footingAA widthAA ofA A aAA oneAAstoryAAlight-
frameA A constructionA A building?A A -
MANSWERM-12Minches
WhichAAofAAtheAAfollowingAAwouldAAcauseAAcrazingAA(superficialAAcracking)AAonAAtheAAsurfac
eAAofAAcoAAncrete?AA-MANSWERM-
EarlyMdryingMdueMtoMlateMcuringMorMexcessiveMwaterMonMsurface.
ReferA A toA A theA A illustrationA A ofA A aA A 2A A storyA A houseA A w/A A lapA A sidingA A plans,A A (completeA A
setA A ofA A plansAAatAAtheAAtestAAcenter),AAHowAAmanyAAcubicAAyardsAAofAAconcreteAAisAAneededAAf
orAAtheAAfloorAAandAAgaraA A geAAslabsAAlessAAtheAAfireplaceAAarea?AA-MANSWERM-
23McubicMyards.
AccordingAAtoAAcode,AAtheAAminimumAAthicknessAAofAAaAAconcreteAAslabAAthatAAisAAsupported
AAdirectAAlyAAonAAtheAAgroundAAshallAAbe AAnches.AA-MANSWERM-3.5
AccordingAAtoAAtheAAcode,AAplainAAconcreteAAforAAbasementAAwallsAAandAAfoundationsAAshallA
beAAwhAAatAAminimumAAcompressiveAAstrengthAA(psi)?AA-MANSWERM-2500Mpsi
A
theAA frostAA lineA A isAA 24AA inchesA A belowAAtheA A surface.AAWhatAA isA A theA A requiredA A depthA A ofAAaAA f
ooting?
-MANSWERM-BelowMtheMfrostMline.
AAAlotAAshallAAbeAAgradedAAtoAAdrainAAsurfaceAAwaterAAawayAAfromAAfoundationAAwallsAAforAA
aAAminimAAumAAofAA feet.AA-MANSWERM-10
WhatAA isAA theAAminimumAA overlapA A ofA A aAA vaporAA barrierA A inA A anAAunventedA A crawlAA space.A A -
ANSWERM-6Minches
M
TheA A minimumA A deptA A ofA A footingsA A belowA A theA A undisturbedA A groundA A surfaceA A shallA A be .AA-
ANSWERM-12Minches
M
MANSWER
AccordingAAtoAAcode,AAfootingsA A shallAAbeAA steppedAAwhen? AA- M-
IfMtheMgroundMsurfaceMslopesMmoreMthanMonMunitMverticalMtoMtenMunitsMhorizontalMorMwhere
MnecessaryMtoMchangeMtheMtopMfootingMsurfaceMelevation .
WhatAAisAAtheAAminimumAAconcreteAApsiAAthatAAisAArequiredAAforAAbasementAAwallsAAorAAslabsAA
notAAexpAAosedAAtoAAweather?AA-MANSWERM-2500Mpsi
ReferAAtoAAtheAAillustrationAAofAAaAA2AAstoryAAhouseAAw/AAlapA A siddngAAplans,AA(completeAAsetAA
ofAAplansA A atAAtheAAtestAAcenter),AAHowAAmanyAAcubicAAyardsAAofAAconcreteAAwouldAAbeAArequi
redAAforAAtheAAfooterAAonly?AA-MANSWERM-10MtoM12McubicMyards.
, InA A conventionalA A light-
frameAAconstructionAAonAAsoilAAwithAAaAAloadAAbearingAAvalueAAofAA2,000AApsiAAforAAaAAoneAAstor
yAAbuildiAAngAAwithAA8AAinchAAhollowAAconcreteAAmasonryAAwalls,AAwhatAAisAAtheAAminimumAAthi
cknessAAofAAtheAAsAApreadAAfooting?AA-MANSWERM-6Minches
ConcreteA A SpreadA A footingA A projectionsA A shallAA beA A atA A least
andAAshallAAno
tAAexceedAAtheAAthicknessAAofAAtheAAfootings.AA-MANSWERM-2Minches
AA A concreteA A slab-on-
groundA A castA A monolithicallyA A withA A theA A footingA A placementA A atA A theA A footingA A topAAandAAbotto
m?A A -
MANSWERM-1MnumberM5MofMtwoMnumberM4MbarsMinMtheMmiddleMthirdMofMtheMfooting.
WhatAAisAAtheAAminimumAAfootingAAwidthAAofAAaAA2AAstoryAAlightAAframeAAconstructionAAbuildin
gAAwithAAaAAsoilAAbearingAAcapacityAAofAA2000AAPSF?AA-MANSWERM-12Minches
AccordingAAtoAAcode,AAfoundationAAplatesAAorAAsillsAAshallAAbeAAanchoredAAtotheAAfounda
tionAAwiAAthAAboltsAAspacedAAnotAAmoreAAthanAA inchesAAapart?AA-MANSWERM-
72Minches
YouAAareAAfinishingAAaAAconcreteAAsurface,AAdefectsAAofAAtheAAfinishedAAproductAAsuchAAasAAcrazin
g,AAdustingAAandAAspallingAAareAAcausedAAby?AA-MANSWERM-OverworkingMtheMconcreteMsurface.
FloatingAAadnA A trowelingAA concreteAA tooA A earlyAAinAA theA A curingAA processA A canAAcause?A A -
MANSWER
-WaterMtoMriseMandMweakenMconcreteMsurface.
HowAAcloseAAcanAAyourAAstringAAlineAAbeAAtoAAtheAAcinderAAblockAAwallAAyouAAareAAbuilding?AA -
MANSWER
-1/16Minch
WallAAtiesAA shouldAA beA A placedA A howAA farAA fromA A theAAedgeA A ofAA aAAmasonryAAunit?A A -
MANSWERM-
1/2Minch
WhatAAisAAtheAAmaximumAAverticalAAdistanceAAallowedAAbetweenAAheadersAAwhenAAbuilding
AAmulti-AAwytheAAmasonryAAwalls?AA-MANSWERM-24Minches
WhatA A isAA theAA idealA A sizeAAofA A headAA andAA bedA A jointsAAinAA masonryAAconstruction?A A -
MANSWERM-
3/8Minch
WhatA A isAA theA A minimumA A depthA A ofAA aAA hearthA A inAA frontA A ofAA aAAmasonryAA fireplace?A A -
MANSWERM-
16Minches
WhatAAisAAtheAArequiredAAminimumAAdiameterAAofAAboltsAAusedAAtoAAanchorAAaAAroofAAstructureAAtoA
AaAAmasonryAAwall?AA-MANSWERM-1/2Minch
HowAAhighAAaboveAAtheAApavedAAsurfaceAAdoesAAtheAAweepAAscreedAAneedAAtoAAbe?AA -
Questions and CORRECT Answers 2025-2026
WhatAA isAA theAAappropriateA A gapAA betweenAA gypsumA A boardAAandAA aAA tubAA surround?A A -
ANSWERM-M1/4Minch
M
SprayedAA fireA A resistantA A materialsA A areA A identifiedA A by
andAAthicknessAArequire
dAAforAAaAAgivenAArating.AA-MANSWERM-Density.
WhatA A isA A theAAmostAA importantAA factorA A inAA determiningA A theAA"R"A A valueAA ofA A blownA A inA A insul
ation?
-MANSWERM-Density.
ReferAAtoAAtheAAillustrationAAofAAaAA2AAstoryAAhouseAAw/AAlapAAsidingAAplans,AA(completeAAsetA
AofAAplansA A atAAtheAAtestAAcenter),AAWhatAAareAAtheAAlengthsAAofAAtheAAsecondAAfloorAAtrusse
s?AA-MANSWERM-
30MfeetM6MinchesMandM13MfeetM5Minches.
ReferAAtotAAtheAAillustrationAAofAAaAA2AAstoryAAhouseAAw/AAlapAAsidingAAplans,AA(completeAAsetAA
ofAAplansA A atAAtheAAtestAAcenter),AAwhatAAisAAtheAAheightAAofAAtheAAfoyerAAinAAinches?A A -
MANSWERM-inches.
A
isAAaAAsystemAAcomponentAAthatAAreceivesAAtheAAinputsAAfromAAautomati
cAAanA A dA A manualA A fireA A alarmA A devicesA A andA A mayA A beA A capableA A ofA A supplyingA A power
A A toA A theA A detectioAAnAAdevicesAAandAAtranspondersAAorAAoff-premisesAAtransmitters.AA-
MANSWERM-
FireMAlarmMControlMUnit.
OnAAgradedAA sites,AAtheA A topAA ofAA anyAAexteriorAA foundationA A shallAAextendAA aboveAA theAAelevat
ionA A of
:
-MANSWERM-TheMstreetMgutterMatMpointMofMdischarge.
WhatA A isAA theA A thicknessAAofA A aAA footingAAforAA aAA singleA A storyAAframeA A residence?A A -
MANSWERM-
6Minches.
WhichAAofA A theAAfollowingA A isA A theAAmostA A importantAA whenA A decidingA A theA A depthA A ofA A aAA footi
ng?A A -
MANSWERM-DepthMofMtheMfrostMline.
ReferAAtotAAtheAAillustrationAAofAAaAA2AAstoryAAhouseAAw/AAlapAAsidingAAplans,AA(availableAAatAAt
heAAtestingAAcenter)AAHowAAmanyAAacresAAisAAtheAAsiteAAforAAtheAAhouseAAplan?AA-
MANSWERM-1/3Macre.
WhichAAofAAtheAAfollowingAAcanAAbeAAusedAAasAAbackfillAAoutsideAAaAAfoundationAAwithoutAAbeingAA
,comAApacted?AA-MANSWERM-ControlledMlowMstrengthMmaterial.
ForAAsoilsAAclassifiedAAasAAsandyAAgravel,AAfoundationAApressureAAshallAAnotAAexceedAAho
wAAmanyAAPSI?AA-MANSWERM-3000MPoundsMperMSquareMFoot.
WhichAAofAAtheAAfollowingAAshallAAnotAAbeAAassumedAAtoAAhaveAAaAAloadAAbearingAAcapacityAAf
orAAfoundAAations?AA-MANSWERM-OrganicMSilt
, TheAAsoilAAreportAAstatesAAthatAAtheAAsoilAAisAAsandy-
gravel.AAWhatAAisAAtheAAsoil'sAAload-AAbearingAAvalue?AA-MANSWERM-3,000MPSF
AccordingAAtoAAcode,AAwhatAAisAAtheAAminimumAArequiredAAwidthAAofAAaAAfootingAAinAAsoilAArat
edAAatAA20AA00A A PSFAAforAAaA A singleA A storyAAbuildingA A withAA8A A inchA A thickAAmasonryAAwalls
?A A -MANSWERM-
12Minches
WhatA A isAA theAAminimumA A footingAA widthAA ofA A aAA oneAAstoryAAlight-
frameA A constructionA A building?A A -
MANSWERM-12Minches
WhichAAofAAtheAAfollowingAAwouldAAcauseAAcrazingAA(superficialAAcracking)AAonAAtheAAsurfac
eAAofAAcoAAncrete?AA-MANSWERM-
EarlyMdryingMdueMtoMlateMcuringMorMexcessiveMwaterMonMsurface.
ReferA A toA A theA A illustrationA A ofA A aA A 2A A storyA A houseA A w/A A lapA A sidingA A plans,A A (completeA A
setA A ofA A plansAAatAAtheAAtestAAcenter),AAHowAAmanyAAcubicAAyardsAAofAAconcreteAAisAAneededAAf
orAAtheAAfloorAAandAAgaraA A geAAslabsAAlessAAtheAAfireplaceAAarea?AA-MANSWERM-
23McubicMyards.
AccordingAAtoAAcode,AAtheAAminimumAAthicknessAAofAAaAAconcreteAAslabAAthatAAisAAsupported
AAdirectAAlyAAonAAtheAAgroundAAshallAAbe AAnches.AA-MANSWERM-3.5
AccordingAAtoAAtheAAcode,AAplainAAconcreteAAforAAbasementAAwallsAAandAAfoundationsAAshallA
beAAwhAAatAAminimumAAcompressiveAAstrengthAA(psi)?AA-MANSWERM-2500Mpsi
A
theAA frostAA lineA A isAA 24AA inchesA A belowAAtheA A surface.AAWhatAA isA A theA A requiredA A depthA A ofAAaAA f
ooting?
-MANSWERM-BelowMtheMfrostMline.
AAAlotAAshallAAbeAAgradedAAtoAAdrainAAsurfaceAAwaterAAawayAAfromAAfoundationAAwallsAAforAA
aAAminimAAumAAofAA feet.AA-MANSWERM-10
WhatAA isAA theAAminimumAA overlapA A ofA A aAA vaporAA barrierA A inA A anAAunventedA A crawlAA space.A A -
ANSWERM-6Minches
M
TheA A minimumA A deptA A ofA A footingsA A belowA A theA A undisturbedA A groundA A surfaceA A shallA A be .AA-
ANSWERM-12Minches
M
MANSWER
AccordingAAtoAAcode,AAfootingsA A shallAAbeAA steppedAAwhen? AA- M-
IfMtheMgroundMsurfaceMslopesMmoreMthanMonMunitMverticalMtoMtenMunitsMhorizontalMorMwhere
MnecessaryMtoMchangeMtheMtopMfootingMsurfaceMelevation .
WhatAAisAAtheAAminimumAAconcreteAApsiAAthatAAisAArequiredAAforAAbasementAAwallsAAorAAslabsAA
notAAexpAAosedAAtoAAweather?AA-MANSWERM-2500Mpsi
ReferAAtoAAtheAAillustrationAAofAAaAA2AAstoryAAhouseAAw/AAlapA A siddngAAplans,AA(completeAAsetAA
ofAAplansA A atAAtheAAtestAAcenter),AAHowAAmanyAAcubicAAyardsAAofAAconcreteAAwouldAAbeAArequi
redAAforAAtheAAfooterAAonly?AA-MANSWERM-10MtoM12McubicMyards.
, InA A conventionalA A light-
frameAAconstructionAAonAAsoilAAwithAAaAAloadAAbearingAAvalueAAofAA2,000AApsiAAforAAaAAoneAAstor
yAAbuildiAAngAAwithAA8AAinchAAhollowAAconcreteAAmasonryAAwalls,AAwhatAAisAAtheAAminimumAAthi
cknessAAofAAtheAAsAApreadAAfooting?AA-MANSWERM-6Minches
ConcreteA A SpreadA A footingA A projectionsA A shallAA beA A atA A least
andAAshallAAno
tAAexceedAAtheAAthicknessAAofAAtheAAfootings.AA-MANSWERM-2Minches
AA A concreteA A slab-on-
groundA A castA A monolithicallyA A withA A theA A footingA A placementA A atA A theA A footingA A topAAandAAbotto
m?A A -
MANSWERM-1MnumberM5MofMtwoMnumberM4MbarsMinMtheMmiddleMthirdMofMtheMfooting.
WhatAAisAAtheAAminimumAAfootingAAwidthAAofAAaAA2AAstoryAAlightAAframeAAconstructionAAbuildin
gAAwithAAaAAsoilAAbearingAAcapacityAAofAA2000AAPSF?AA-MANSWERM-12Minches
AccordingAAtoAAcode,AAfoundationAAplatesAAorAAsillsAAshallAAbeAAanchoredAAtotheAAfounda
tionAAwiAAthAAboltsAAspacedAAnotAAmoreAAthanAA inchesAAapart?AA-MANSWERM-
72Minches
YouAAareAAfinishingAAaAAconcreteAAsurface,AAdefectsAAofAAtheAAfinishedAAproductAAsuchAAasAAcrazin
g,AAdustingAAandAAspallingAAareAAcausedAAby?AA-MANSWERM-OverworkingMtheMconcreteMsurface.
FloatingAAadnA A trowelingAA concreteAA tooA A earlyAAinAA theA A curingAA processA A canAAcause?A A -
MANSWER
-WaterMtoMriseMandMweakenMconcreteMsurface.
HowAAcloseAAcanAAyourAAstringAAlineAAbeAAtoAAtheAAcinderAAblockAAwallAAyouAAareAAbuilding?AA -
MANSWER
-1/16Minch
WallAAtiesAA shouldAA beA A placedA A howAA farAA fromA A theAAedgeA A ofAA aAAmasonryAAunit?A A -
MANSWERM-
1/2Minch
WhatAAisAAtheAAmaximumAAverticalAAdistanceAAallowedAAbetweenAAheadersAAwhenAAbuilding
AAmulti-AAwytheAAmasonryAAwalls?AA-MANSWERM-24Minches
WhatA A isAA theAA idealA A sizeAAofA A headAA andAA bedA A jointsAAinAA masonryAAconstruction?A A -
MANSWERM-
3/8Minch
WhatA A isAA theA A minimumA A depthA A ofAA aAA hearthA A inAA frontA A ofAA aAAmasonryAA fireplace?A A -
MANSWERM-
16Minches
WhatAAisAAtheAArequiredAAminimumAAdiameterAAofAAboltsAAusedAAtoAAanchorAAaAAroofAAstructureAAtoA
AaAAmasonryAAwall?AA-MANSWERM-1/2Minch
HowAAhighAAaboveAAtheAApavedAAsurfaceAAdoesAAtheAAweepAAscreedAAneedAAtoAAbe?AA -
