RESIDENTIAL CONTRACTOR PRACTICE EXAM
QUESTIONS WITH CORRECT ANSWERS 2025
WhatVisVtheVMINIMUMVoverlapVforVjointsVinVpolyethyleneVfilmVmoistureVbarrierVappliedVoverVtheV
exteriorVofVaVbelowVgradeVfoundationVwall?V-VCORRECTVANSWERV-6Vinches
WhatVisVtheVMINIMUMVheightVrequiredVforVaVnonabsorbentVwallVsurfaceVaboveVaVbathtub?V-
VCORRECTVANSWERV-6Vfeet
NailsVusedVtoVfastenVconcreteVroofingVtilesVmustVpenetrateVtheVdeckVaVMINIMUMVofVhowVmanyVin
chesVorVthroughVtheVthicknessVofVtheVdeck,VWhicheverVisVless?V-VCORRECTVANSWERV-3/4Vinch
HowVmustVraftersVbeVframedVtoVeachVother?V-VCORRECTVANSWERV-withVaVgussetVplate
AllVofVtheVfollowingVareVbenefitsVofVplatformVconstructionVasVcomparedVtoVballoonVconstructionVE
XCEPT.V-VCORRECTVANSWERV-easierVinstallationVofVplumbingVandVwiring
750VfeetVofVpipeVisVbeingVlaidVatV0.5%Vslope.VOnVaVtopographicVmapVthatVhasV6VinchVcontourVinterv
alsVapproximatelyVhowVmanyVintervalsVwillVbeVdepictedVonVtheVmapVfromVoneVendVofVtheVpipeVtoV
theVother?V-VCORRECTVANSWERV-8VcontourVintervals
WhereVwouldVtheVmostVspecificVinformationVaboutVtheVsizeVandVlocationVofVwindowsVbeVfoundVinV
aVsetVofVconstructionVdrawings?V-VCORRECTVANSWERV-InVtheVwindowVschedule
AVcontractorVshouldVdoVallVofVtheVfollowingVwhenVestimatingVaVprojectVEXCEPT.V-
VCORRECTVANSWERV-assumeVidealVconditions
HowVmanyVsheetsVofV4'VXV8'VXV1/2"VdrywallVareVneededVforVaVroomV
10'VXV15'VwithVanV8'Vceiling?V-VCORRECTVANSWERV-18Vsheets
QUESTIONS WITH CORRECT ANSWERS 2025
WhatVisVtheVMINIMUMVoverlapVforVjointsVinVpolyethyleneVfilmVmoistureVbarrierVappliedVoverVtheV
exteriorVofVaVbelowVgradeVfoundationVwall?V-VCORRECTVANSWERV-6Vinches
WhatVisVtheVMINIMUMVheightVrequiredVforVaVnonabsorbentVwallVsurfaceVaboveVaVbathtub?V-
VCORRECTVANSWERV-6Vfeet
NailsVusedVtoVfastenVconcreteVroofingVtilesVmustVpenetrateVtheVdeckVaVMINIMUMVofVhowVmanyVin
chesVorVthroughVtheVthicknessVofVtheVdeck,VWhicheverVisVless?V-VCORRECTVANSWERV-3/4Vinch
HowVmustVraftersVbeVframedVtoVeachVother?V-VCORRECTVANSWERV-withVaVgussetVplate
AllVofVtheVfollowingVareVbenefitsVofVplatformVconstructionVasVcomparedVtoVballoonVconstructionVE
XCEPT.V-VCORRECTVANSWERV-easierVinstallationVofVplumbingVandVwiring
750VfeetVofVpipeVisVbeingVlaidVatV0.5%Vslope.VOnVaVtopographicVmapVthatVhasV6VinchVcontourVinterv
alsVapproximatelyVhowVmanyVintervalsVwillVbeVdepictedVonVtheVmapVfromVoneVendVofVtheVpipeVtoV
theVother?V-VCORRECTVANSWERV-8VcontourVintervals
WhereVwouldVtheVmostVspecificVinformationVaboutVtheVsizeVandVlocationVofVwindowsVbeVfoundVinV
aVsetVofVconstructionVdrawings?V-VCORRECTVANSWERV-InVtheVwindowVschedule
AVcontractorVshouldVdoVallVofVtheVfollowingVwhenVestimatingVaVprojectVEXCEPT.V-
VCORRECTVANSWERV-assumeVidealVconditions
HowVmanyVsheetsVofV4'VXV8'VXV1/2"VdrywallVareVneededVforVaVroomV
10'VXV15'VwithVanV8'Vceiling?V-VCORRECTVANSWERV-18Vsheets