RESIDENTIAL BUILDING INSPECTOR TEST
EXAM 2025 ACTUAL EXAM COMPLETE
EXAM QUESTIONS WITH DETAILED
VERIFIED ANSWERS (100% CORRECT
ANSWERS) /ALREADY GRADED A+
Access openings to under-floor spaces located in a floor
must be a minimum of? - ....ANSWER...18 inches by 24
inches
When cutting or drilling solid lumber joists, you may Not -
....ANSWER...be drilled closer than 2 inches to their top
or bottom, or be notched in the middle third of their
length
Where in the code book would I find floor joist spans for
common lumber species in living areas? -
....ANSWER...R502.3.1(2)
,Bridging must be provided to support floor joists laterally
where the minimum 2x joist depth exceeds __________
nominal size - ....ANSWER...12 inches
Where would I find Cantilever spans? -
....ANSWER...Table R502.3.3
Where reinforcement is provided in concrete slabs on
ground floors, the reinforcement shall be supported to
remain within what section of the slab during concrete
placement? - ....ANSWER...center to upper one third of
the slab
Where would I find allowable spans for cold formed steel
joists - ....ANSWER...Table R505.3.2
Studs supporting only a wall and a roof must be a
minimum of what grade? - ....ANSWER...Utility grade
Where would I find the size height and spacing for wood
studs? - ....ANSWER...Table R602.3(5)
, Solid sawn headers must be provided with a certificate of
inspection or a grademark of a lumber inspection agency
that complies with __________ - ....ANSWER...DOC PS
20
What is the maximum wall length perpendicular to the
floor joists, allowed for a single family dwelling, using cold
formed steel wall framing? - ....ANSWER...60 feet
What is the minimum thickness allowed under the
international residential code for masonry walls 9 feet in
height in a one story dwelling? - ....ANSWER...6 Inches
The international residential code requires support for
gypsum board installed in the interior of a building to be
at least ________ inches nominal thickness for wood
framing. - ....ANSWER...2
Vinyl siding must comply with _____________. -
....ANSWER...ASTM D 3679
EXAM 2025 ACTUAL EXAM COMPLETE
EXAM QUESTIONS WITH DETAILED
VERIFIED ANSWERS (100% CORRECT
ANSWERS) /ALREADY GRADED A+
Access openings to under-floor spaces located in a floor
must be a minimum of? - ....ANSWER...18 inches by 24
inches
When cutting or drilling solid lumber joists, you may Not -
....ANSWER...be drilled closer than 2 inches to their top
or bottom, or be notched in the middle third of their
length
Where in the code book would I find floor joist spans for
common lumber species in living areas? -
....ANSWER...R502.3.1(2)
,Bridging must be provided to support floor joists laterally
where the minimum 2x joist depth exceeds __________
nominal size - ....ANSWER...12 inches
Where would I find Cantilever spans? -
....ANSWER...Table R502.3.3
Where reinforcement is provided in concrete slabs on
ground floors, the reinforcement shall be supported to
remain within what section of the slab during concrete
placement? - ....ANSWER...center to upper one third of
the slab
Where would I find allowable spans for cold formed steel
joists - ....ANSWER...Table R505.3.2
Studs supporting only a wall and a roof must be a
minimum of what grade? - ....ANSWER...Utility grade
Where would I find the size height and spacing for wood
studs? - ....ANSWER...Table R602.3(5)
, Solid sawn headers must be provided with a certificate of
inspection or a grademark of a lumber inspection agency
that complies with __________ - ....ANSWER...DOC PS
20
What is the maximum wall length perpendicular to the
floor joists, allowed for a single family dwelling, using cold
formed steel wall framing? - ....ANSWER...60 feet
What is the minimum thickness allowed under the
international residential code for masonry walls 9 feet in
height in a one story dwelling? - ....ANSWER...6 Inches
The international residential code requires support for
gypsum board installed in the interior of a building to be
at least ________ inches nominal thickness for wood
framing. - ....ANSWER...2
Vinyl siding must comply with _____________. -
....ANSWER...ASTM D 3679
