IRC EXAM CHAPTER 1 QUESTIONS
WITH CORRECT ANSWERS 2026
The IRC is applicable to single-family dwellings a maximum of ______________ stories in above-grade-
plane height. - correct answer-3
R101.2 Scope.
If there is a conflict in the code between a general requirement and a specific requirement, the _______
_______ requirement shall apply. - correct answer-specific
R102.1 General.
Provisions of the appendices do not apply unless _______________.
A. Specified in the code
B. Applicable to unique conditions
C. Specifically adopted
D. Relevant to fire or life safety - correct answer-C - specifically adopted
R102.5 Appendices
______________ is the term used in the IRC to describe the individual in charge of the department of bui
lding safety.
a. building official
b. code official
c. code administrator
d. chief building inspector - correct answer-building official
R103.1 Creation of enforcement agency
The building official has the authority to ____________ the provisions of the code.
, a. ignore
b. waive
c. violate
d. interpret - correct answer-interpret
R104.1 Duties and Powers of the Building Official - General
Used materials may be utilized under which one of the following conditions?
a. they meet the requirements for new materials
b. when approved by the building official
c. used materials may never be used in new construction
d. a representativevsamplingvisvtestedvforvcompliancev-vcorrectvanswer-
whenvapprovedvbyvthevbuildingvofficial
R104.9.1vUsedvmaterialsvandvequipment
Thevbuildingvofficialvhasvthevauthorityvtovgrantvmodificationsvtovthevcodev______________
v.
a.vforvonlyvthosevissuesvnotvaffectingvlifevsafetyvorvfirevsafety
b.vforvindividualvcasesvwherevthevstrictvlettervofvthevcodevisvimpractic
al
c.vwherevthevintentvandvpurposevofvthevcodevcannotvbevmet
d.vrelatedvonlyvtovadministrativevfunctionsv-vcorrectvanswer-
forvindividualvcasesvwherevthevstrictvlettervofvthevcodevisvimpractica
l
R104.10vModifications
Unlessvsupportingvavsurcharge,vretainingvwallsvhavingvavmaximumvheightvofv__________vinches,vmeasur
e
dvfromvthevbottomvofvthevfootingvtovthevtopvofvthevwall,vdovnotvrequirevavpermit.
A.v30
B.v36
C.v48
WITH CORRECT ANSWERS 2026
The IRC is applicable to single-family dwellings a maximum of ______________ stories in above-grade-
plane height. - correct answer-3
R101.2 Scope.
If there is a conflict in the code between a general requirement and a specific requirement, the _______
_______ requirement shall apply. - correct answer-specific
R102.1 General.
Provisions of the appendices do not apply unless _______________.
A. Specified in the code
B. Applicable to unique conditions
C. Specifically adopted
D. Relevant to fire or life safety - correct answer-C - specifically adopted
R102.5 Appendices
______________ is the term used in the IRC to describe the individual in charge of the department of bui
lding safety.
a. building official
b. code official
c. code administrator
d. chief building inspector - correct answer-building official
R103.1 Creation of enforcement agency
The building official has the authority to ____________ the provisions of the code.
, a. ignore
b. waive
c. violate
d. interpret - correct answer-interpret
R104.1 Duties and Powers of the Building Official - General
Used materials may be utilized under which one of the following conditions?
a. they meet the requirements for new materials
b. when approved by the building official
c. used materials may never be used in new construction
d. a representativevsamplingvisvtestedvforvcompliancev-vcorrectvanswer-
whenvapprovedvbyvthevbuildingvofficial
R104.9.1vUsedvmaterialsvandvequipment
Thevbuildingvofficialvhasvthevauthorityvtovgrantvmodificationsvtovthevcodev______________
v.
a.vforvonlyvthosevissuesvnotvaffectingvlifevsafetyvorvfirevsafety
b.vforvindividualvcasesvwherevthevstrictvlettervofvthevcodevisvimpractic
al
c.vwherevthevintentvandvpurposevofvthevcodevcannotvbevmet
d.vrelatedvonlyvtovadministrativevfunctionsv-vcorrectvanswer-
forvindividualvcasesvwherevthevstrictvlettervofvthevcodevisvimpractica
l
R104.10vModifications
Unlessvsupportingvavsurcharge,vretainingvwallsvhavingvavmaximumvheightvofv__________vinches,vmeasur
e
dvfromvthevbottomvofvthevfootingvtovthevtopvofvthevwall,vdovnotvrequirevavpermit.
A.v30
B.v36
C.v48
