IRC Exam Prep Study Questions Chapter 3:
Building Planning|Latest Update Graded A+
Buildings and structures must be constructed to safely support which of the following loads?
A. dead loads
B. live loads
C. roof loads
D. A through C
D. Dead Loads, Live Loads and/or Roof Loads
Where wood structural panels are used to protect windows in buildings located in windborne debris
regions, No. 10 wood screws must be located at a max. of ________ on center to fasten those panels
to the span of 8 feet.
A. 8 inches
B. 9 inches
C. 12 inches
D. 16 inches
B. 9 inches
Where structural wood panels are used to provide windborne debris protection for glazed openings
anchors must penetrate through the exterior wall covering with a min. embedment length of
________________________ into the building frame.
A. 1 inch
B. 1-1/2 inches
C. 2 inches
D. 2-1/2 inches
C. 2 inches
Urban and suburban areas, with numerous closely spaced obstructions having the size of single-family
dwellings or larger sited, are classified as ____________________________.
A. Exposure A
B. Exposure B
C. Exposure C
D. Exposure D
B. Exposure B
Flat, unobstructed areas exposed to wind flowing over open water, smooth mud flats, salt flats and
unbroken ice for a distance of not less than 5,000 feet are classified as______________.
A. Exposure A
B. Exposure B
C. Exposure C
D. Exposure D
D. Exposure D
Open terrain with scattered obstructions, including surface undulations or other irregularities, having
heights generally less than 30 feet extending more than 1,500 feet from the building site in any
quadrant is classified as _______________.
A. Exposure A
B. Exposure B
C. Exposure C
D. Exposure D
C. Exposure C
, The seismic design category for a site having a calculated Sds of 0.30g is _______________________.
A. A
B. B
C. C
D. D
B. B
The average dead loads of Seismic Design Category C must not exceed ____________ for the
combined roof and ceiling assemblies on a horizontal projection.
A. 10 psf
B. 15 psf
C. 20 psf
D. 25 psf
B. 15 psf
Dwellings assigned a Seismic Design Category C and constructed of 8-inch-thick masonry walls, must
have a dead load not exceeding ____________________________.
A. 40 psf
B. 60 psf
C. 80 psf
D. 100 psf
C. 80 psf
A portion of a building is considered irregular for seismic purposes where an opening in a floor
exceeds the lesser of __________________________ or 50% of the least floor dimension.
A. 12 feet
B. 14 feet
C. 16 feet
D. 18 feet
A. 12 feet
Buildings constructed in regions where the ground snow load is greater than _________________
must be designed in accordance with accepted engineering practice.
A. 50 psf
B. 70 psf
C. 90 psf
D. 100 psf
B. 70 psf
Balconies and decks must be designed with a minimum uniformity distributed live load of
_______________________.
A. 10 psf
B. 20 psf
C. 30 psf
D. 40 psf
D. 40 psf
The minimum uniformity distributed live loads in sleeping rooms is _____________________.
A. 20 psf
Building Planning|Latest Update Graded A+
Buildings and structures must be constructed to safely support which of the following loads?
A. dead loads
B. live loads
C. roof loads
D. A through C
D. Dead Loads, Live Loads and/or Roof Loads
Where wood structural panels are used to protect windows in buildings located in windborne debris
regions, No. 10 wood screws must be located at a max. of ________ on center to fasten those panels
to the span of 8 feet.
A. 8 inches
B. 9 inches
C. 12 inches
D. 16 inches
B. 9 inches
Where structural wood panels are used to provide windborne debris protection for glazed openings
anchors must penetrate through the exterior wall covering with a min. embedment length of
________________________ into the building frame.
A. 1 inch
B. 1-1/2 inches
C. 2 inches
D. 2-1/2 inches
C. 2 inches
Urban and suburban areas, with numerous closely spaced obstructions having the size of single-family
dwellings or larger sited, are classified as ____________________________.
A. Exposure A
B. Exposure B
C. Exposure C
D. Exposure D
B. Exposure B
Flat, unobstructed areas exposed to wind flowing over open water, smooth mud flats, salt flats and
unbroken ice for a distance of not less than 5,000 feet are classified as______________.
A. Exposure A
B. Exposure B
C. Exposure C
D. Exposure D
D. Exposure D
Open terrain with scattered obstructions, including surface undulations or other irregularities, having
heights generally less than 30 feet extending more than 1,500 feet from the building site in any
quadrant is classified as _______________.
A. Exposure A
B. Exposure B
C. Exposure C
D. Exposure D
C. Exposure C
, The seismic design category for a site having a calculated Sds of 0.30g is _______________________.
A. A
B. B
C. C
D. D
B. B
The average dead loads of Seismic Design Category C must not exceed ____________ for the
combined roof and ceiling assemblies on a horizontal projection.
A. 10 psf
B. 15 psf
C. 20 psf
D. 25 psf
B. 15 psf
Dwellings assigned a Seismic Design Category C and constructed of 8-inch-thick masonry walls, must
have a dead load not exceeding ____________________________.
A. 40 psf
B. 60 psf
C. 80 psf
D. 100 psf
C. 80 psf
A portion of a building is considered irregular for seismic purposes where an opening in a floor
exceeds the lesser of __________________________ or 50% of the least floor dimension.
A. 12 feet
B. 14 feet
C. 16 feet
D. 18 feet
A. 12 feet
Buildings constructed in regions where the ground snow load is greater than _________________
must be designed in accordance with accepted engineering practice.
A. 50 psf
B. 70 psf
C. 90 psf
D. 100 psf
B. 70 psf
Balconies and decks must be designed with a minimum uniformity distributed live load of
_______________________.
A. 10 psf
B. 20 psf
C. 30 psf
D. 40 psf
D. 40 psf
The minimum uniformity distributed live loads in sleeping rooms is _____________________.
A. 20 psf
