IRC EXAM PART 4 QUESTIONS
WITH CORRECT ANSWERS 2026
The ends of each joist, beam, or girder shall have not less than _____________ inches of bearing on w
ood or metal and not less than _____________ inches of bearing on masonry or concrete. -
correct answer-1 1/2
3
Section R502.6 Bearing
Notches in solid lumber joists, raſters, and beams shall not exceed _____________ of the depth of the
member, shall not be longer than _____________ of the depth of the member and shall not be locate
d in the middle _____________ of the span.
Notches at the ends of the member shall not exceed _________ the depth of the member. -
correct answer-1/6
1/3
1/3
1/4
Section R502.8.1 Sawn lumber.
Bores in solid lumber joists, raſters, and beams shall not exceed _____________ of the depth of the m
ember.
Bored holes shall maintain at least ___________ inches from top and bottom of the joist, and at least
_______ inches from another hole or notch. - correct answer-1/3
2"
2"
R502.8 Cutting, Notching, and Drilling
The tension side of solid lumber joist members _____________ inches or greater in nominal thickness
shall not be notched except at the ends of the members. - correct answer-4
, Section R502.8.1 Sawn lumber.
Where the header joist span does not exceed _____________ feet, the header joist shall be a single m
ember the same size as the floor joist. - correct answer-4
(where the header joist span exceeds 4 feet, the trimmer joists and header joist shall be doubled)
R502.10 Framing of openings.
The provisions of Section R505 Cold-formed Steel Floor Framing shall control the construction of cold-
formed steel floor framing for buildings not greater than _____________ feet in length perpendicular t
o the joist span. - correct answer-60
Section R505.1.1 Applicability limits.
Flanges and lips of load-bearing cold-
formed steel floor framing members shall not be cut or _____________ . - correct answer-notched
Section R505.3.5 Cutting and notching.
Inxcold-formedxsteelxframing,x floorxcantileversxforx thextopxfloorxofxaxtwo-xorxthree-
storyx buildingxorxthexfirstx floorxofxaxone-
storyx buildingxshallx notxexceedx_____________x inches.x-
correctx answer-24
SectionxR505.3.6x Floorxcantilevers.
Concretex slab-on-groundxfloorsx shallxbex axminimumx_____________x inchesxthick.x-
x3correct
1/2 x answer-
SectionxR506.1x General.
WITH CORRECT ANSWERS 2026
The ends of each joist, beam, or girder shall have not less than _____________ inches of bearing on w
ood or metal and not less than _____________ inches of bearing on masonry or concrete. -
correct answer-1 1/2
3
Section R502.6 Bearing
Notches in solid lumber joists, raſters, and beams shall not exceed _____________ of the depth of the
member, shall not be longer than _____________ of the depth of the member and shall not be locate
d in the middle _____________ of the span.
Notches at the ends of the member shall not exceed _________ the depth of the member. -
correct answer-1/6
1/3
1/3
1/4
Section R502.8.1 Sawn lumber.
Bores in solid lumber joists, raſters, and beams shall not exceed _____________ of the depth of the m
ember.
Bored holes shall maintain at least ___________ inches from top and bottom of the joist, and at least
_______ inches from another hole or notch. - correct answer-1/3
2"
2"
R502.8 Cutting, Notching, and Drilling
The tension side of solid lumber joist members _____________ inches or greater in nominal thickness
shall not be notched except at the ends of the members. - correct answer-4
, Section R502.8.1 Sawn lumber.
Where the header joist span does not exceed _____________ feet, the header joist shall be a single m
ember the same size as the floor joist. - correct answer-4
(where the header joist span exceeds 4 feet, the trimmer joists and header joist shall be doubled)
R502.10 Framing of openings.
The provisions of Section R505 Cold-formed Steel Floor Framing shall control the construction of cold-
formed steel floor framing for buildings not greater than _____________ feet in length perpendicular t
o the joist span. - correct answer-60
Section R505.1.1 Applicability limits.
Flanges and lips of load-bearing cold-
formed steel floor framing members shall not be cut or _____________ . - correct answer-notched
Section R505.3.5 Cutting and notching.
Inxcold-formedxsteelxframing,x floorxcantileversxforx thextopxfloorxofxaxtwo-xorxthree-
storyx buildingxorxthexfirstx floorxofxaxone-
storyx buildingxshallx notxexceedx_____________x inches.x-
correctx answer-24
SectionxR505.3.6x Floorxcantilevers.
Concretex slab-on-groundxfloorsx shallxbex axminimumx_____________x inchesxthick.x-
x3correct
1/2 x answer-
SectionxR506.1x General.
