ASPHALT PAVING GC EXAM QUESTIONS
WITH CORRECT ANSWERS 2025
BaseHCourseH-HCORRECTHANSWERH-
LayerHorHlayersHofHspecifiedHmaterialHofHdesignatedHthicknessHorHrateHofHapplicationHbasedHonHaHs
ubbaseHorHsubgradeHtoHsupportHtheHsubsequentHlayers
BridgeH-HCORRECTHANSWERH-OverHaHdepression;HlongerHthanH20'
TheHsubgradeHisHtheHtopH_______HofHroadbedHuponHwhichHtheHpavementHstructureHandHshoulder
sHareHconstructedH-HCORRECTHANSWERH-18"
DoHnotHuseHglassHinHtheHtopH_____HofHtheHembankmentH-HCORRECTHANSWERH-18"
ClearHandHgrubHminimumHofH____HfromHeachHedgeHofHproposedHpavementHalongHbothHlanesHandH
legsHofHinterchangeH-HCORRECTHANSWERH-30'
WhereHclearingHandHgrubbingHwithinHtheHroadwayHisHindicatedHatHaHbridgeHsite,HclearHbyHcuttingHa
llHtrees,Hstumps,Hetc.HtoHwithinH______HofHtheHgroundHorHtoHlowHwaterHinHtheHfullHwidthHofHtheHRO
WHforHaHdistanceHofH75'HbeyondHtheHbeginningHandHendHofHtheHproposedHbridgeH-
HCORRECTHANSWERH-8"
CompactHtheHsubgradeHbetweenHtheHlinesH____HinchesHoutsideHtheHareaHoccupiedHbyHtheHpavem
entHstructure,HincludingHC&GH&HSWHtoHnotHlessHthanH95%HofHmaxHdensityH-HCORRECTHANSWERH-
18"
PulverizeHbaseHcourseHmaterialHsoHthatHtheHcompletionHofHtheHmoistHmixingH100%H(byHdryHweight
)HpassesHtheH1.5"HsieveHandHaHminimumHofH_____HpassesHtheH#4Hsieve,HexclusiveHofHgravelHandHsto
neHretainedHonHtheHsieveH-HCORRECTHANSWERH-80%
,#4HsieveH-HCORRECTHANSWERH-4.75Hmm
EnsureHfinishedHsurfaceHofHbaseHvariesHneitherHthanH3/8"HfromHaHstraightHedgeH10'HlongHwhenHap
pliedHparallelHtoHtheHCLHofHtheHrd,HnoHmoreHthanH______HinchHfromHtheHtypicalHcross-
sectionHonHtheHplansH-HCORRECTHANSWERH-1/2"
ThicknessHofHcompletedHmodifiedHbaseHisHmeasuredHatHstaggeredHintervalsHnotHtoHexceedH_____H
feetHinHlengthHforHtwo-laneHroadsH-HCORRECTHANSWERH-250'
UseH_______HinHallHbaseHcoursesHasHanHanti-strippingHadditiveH-HCORRECTHANSWERH-
hydratedHlime
WhereHplansHrequiredHuniformHthicknessHofHbaseHcourseHandHtheHcontractHprovidesHforHpavemen
tHonHsqHydHbases,HthicknessHofHbaseHcourseHisHdeterminedHfromHmeasurementsHtakenHofHtheHcom
pletedHbaseHcourseHatHintervalsHnotHexceedingH_____HfeetHforHtwo-laneHroadsH-
HCORRECTHANSWERH-500'
ForHHMA,HuseHaggregatesHwithHaHcombinedHspecificHgravityHofH_____HorHlessH-
HCORRECTHANSWERH-2.90
ONHHMAHuseHpneumo-
rollersHthatHareHselfHpropelledHandHhaveHanHeffectiveHrollingHwidthHofHnotHlessHthanH_______H-
HCORRECTHANSWERH-60"
EnsureHintermediateHrollingHofHHMAHisHcompletedHbeforeHmatHtempHdropsHbelowH_____H-
HCORRECTHANSWERH-175Hdegrees
FirstHstepHinHapplyingHasphaltHsurfaceHtreatmentH(single)H-HCORRECTHANSWERH-CleanHsurface
, LastHstepHinHapplyingHasphaltHsurfaceHtreatmentH(single)H-HCORRECTHANSWERH-
RemoveHexcessHaggregate
SpreadHaggregateHforHHMAHwithinH_____HfeetHofHtheHapplicationHofHtheHemulsionH-
HCORRECTHANSWERH-200'
PlaceHasphaltHsurfaceHtreatmentH(double)HwithinH____HdaysHofHtheHbaseHcourseHbeingHprimedH-
HCORRECTHANSWERH-7
WhenHrollingHaggregateHapplicationsHforHasphaltHsurfaceHtreatmentH(double)HonHeachHtripHofHtheH
roller,HoverlapHpriorHbyH_____HtheHwidthHofHtheHrollerH-HCORRECTHANSWERH-1/2
OnHportlandHcementHpavement,HpositionHlowerHsurfaceHofHpreformedHjointHfillerHonHorHbelowHsur
faceHofHbaseHwhileHupperHsurfaceHisH_____HinchesHbelowHsurfaceHofHtheHslabH-
HCORRECTHANSWERH-1/2"
WhenHusingHsurfaceHvibratorsHonHportlandHconcrete,HensureHfrequencyHisHnotHlessHthanH______Hi
mpulsesHperHminuteH-HCORRECTHANSWERH-3500
ConstructHsubbaseHandHbaseHbeneathHconcreteHpavementHtoHincludeHareaH_____HinchesHinHwidth
HextendingHbeyondHedgesHtoHprovideHstabilityHforHpaverHtracksH-HCORRECTHANSWERH-18"
Min.HwidthHofHanyHreinforcedHconcreteHslabHisH______HfeetH-HCORRECTHANSWERH-16'
Max.HlengthHofHanyHreinforcedHconcreteHslabHisH______HfeetH-HCORRECTHANSWERH-20'
ExcludeHallHvehicleHtrafficHfromHnewlyHconstructedHconcreteHpavementHforHaHperiodHofHnotHlessHth
anH______HdaysH-HCORRECTHANSWERH-14
WITH CORRECT ANSWERS 2025
BaseHCourseH-HCORRECTHANSWERH-
LayerHorHlayersHofHspecifiedHmaterialHofHdesignatedHthicknessHorHrateHofHapplicationHbasedHonHaHs
ubbaseHorHsubgradeHtoHsupportHtheHsubsequentHlayers
BridgeH-HCORRECTHANSWERH-OverHaHdepression;HlongerHthanH20'
TheHsubgradeHisHtheHtopH_______HofHroadbedHuponHwhichHtheHpavementHstructureHandHshoulder
sHareHconstructedH-HCORRECTHANSWERH-18"
DoHnotHuseHglassHinHtheHtopH_____HofHtheHembankmentH-HCORRECTHANSWERH-18"
ClearHandHgrubHminimumHofH____HfromHeachHedgeHofHproposedHpavementHalongHbothHlanesHandH
legsHofHinterchangeH-HCORRECTHANSWERH-30'
WhereHclearingHandHgrubbingHwithinHtheHroadwayHisHindicatedHatHaHbridgeHsite,HclearHbyHcuttingHa
llHtrees,Hstumps,Hetc.HtoHwithinH______HofHtheHgroundHorHtoHlowHwaterHinHtheHfullHwidthHofHtheHRO
WHforHaHdistanceHofH75'HbeyondHtheHbeginningHandHendHofHtheHproposedHbridgeH-
HCORRECTHANSWERH-8"
CompactHtheHsubgradeHbetweenHtheHlinesH____HinchesHoutsideHtheHareaHoccupiedHbyHtheHpavem
entHstructure,HincludingHC&GH&HSWHtoHnotHlessHthanH95%HofHmaxHdensityH-HCORRECTHANSWERH-
18"
PulverizeHbaseHcourseHmaterialHsoHthatHtheHcompletionHofHtheHmoistHmixingH100%H(byHdryHweight
)HpassesHtheH1.5"HsieveHandHaHminimumHofH_____HpassesHtheH#4Hsieve,HexclusiveHofHgravelHandHsto
neHretainedHonHtheHsieveH-HCORRECTHANSWERH-80%
,#4HsieveH-HCORRECTHANSWERH-4.75Hmm
EnsureHfinishedHsurfaceHofHbaseHvariesHneitherHthanH3/8"HfromHaHstraightHedgeH10'HlongHwhenHap
pliedHparallelHtoHtheHCLHofHtheHrd,HnoHmoreHthanH______HinchHfromHtheHtypicalHcross-
sectionHonHtheHplansH-HCORRECTHANSWERH-1/2"
ThicknessHofHcompletedHmodifiedHbaseHisHmeasuredHatHstaggeredHintervalsHnotHtoHexceedH_____H
feetHinHlengthHforHtwo-laneHroadsH-HCORRECTHANSWERH-250'
UseH_______HinHallHbaseHcoursesHasHanHanti-strippingHadditiveH-HCORRECTHANSWERH-
hydratedHlime
WhereHplansHrequiredHuniformHthicknessHofHbaseHcourseHandHtheHcontractHprovidesHforHpavemen
tHonHsqHydHbases,HthicknessHofHbaseHcourseHisHdeterminedHfromHmeasurementsHtakenHofHtheHcom
pletedHbaseHcourseHatHintervalsHnotHexceedingH_____HfeetHforHtwo-laneHroadsH-
HCORRECTHANSWERH-500'
ForHHMA,HuseHaggregatesHwithHaHcombinedHspecificHgravityHofH_____HorHlessH-
HCORRECTHANSWERH-2.90
ONHHMAHuseHpneumo-
rollersHthatHareHselfHpropelledHandHhaveHanHeffectiveHrollingHwidthHofHnotHlessHthanH_______H-
HCORRECTHANSWERH-60"
EnsureHintermediateHrollingHofHHMAHisHcompletedHbeforeHmatHtempHdropsHbelowH_____H-
HCORRECTHANSWERH-175Hdegrees
FirstHstepHinHapplyingHasphaltHsurfaceHtreatmentH(single)H-HCORRECTHANSWERH-CleanHsurface
, LastHstepHinHapplyingHasphaltHsurfaceHtreatmentH(single)H-HCORRECTHANSWERH-
RemoveHexcessHaggregate
SpreadHaggregateHforHHMAHwithinH_____HfeetHofHtheHapplicationHofHtheHemulsionH-
HCORRECTHANSWERH-200'
PlaceHasphaltHsurfaceHtreatmentH(double)HwithinH____HdaysHofHtheHbaseHcourseHbeingHprimedH-
HCORRECTHANSWERH-7
WhenHrollingHaggregateHapplicationsHforHasphaltHsurfaceHtreatmentH(double)HonHeachHtripHofHtheH
roller,HoverlapHpriorHbyH_____HtheHwidthHofHtheHrollerH-HCORRECTHANSWERH-1/2
OnHportlandHcementHpavement,HpositionHlowerHsurfaceHofHpreformedHjointHfillerHonHorHbelowHsur
faceHofHbaseHwhileHupperHsurfaceHisH_____HinchesHbelowHsurfaceHofHtheHslabH-
HCORRECTHANSWERH-1/2"
WhenHusingHsurfaceHvibratorsHonHportlandHconcrete,HensureHfrequencyHisHnotHlessHthanH______Hi
mpulsesHperHminuteH-HCORRECTHANSWERH-3500
ConstructHsubbaseHandHbaseHbeneathHconcreteHpavementHtoHincludeHareaH_____HinchesHinHwidth
HextendingHbeyondHedgesHtoHprovideHstabilityHforHpaverHtracksH-HCORRECTHANSWERH-18"
Min.HwidthHofHanyHreinforcedHconcreteHslabHisH______HfeetH-HCORRECTHANSWERH-16'
Max.HlengthHofHanyHreinforcedHconcreteHslabHisH______HfeetH-HCORRECTHANSWERH-20'
ExcludeHallHvehicleHtrafficHfromHnewlyHconstructedHconcreteHpavementHforHaHperiodHofHnotHlessHth
anH______HdaysH-HCORRECTHANSWERH-14