Framing Test Flashcards
What is the calculated length of the common rafter on a building that has a 24’ (7315mm) span with a 1 in 1.5 roof slope?
a) 13’ - 10 5/8” a)4232mm
b) 14’ - 5 1/6” b)4396mm
c) 15’ - 93/8” c)4810mm
d) 20’ - 1 1/2” d) 6134
B
What numbers would be used on the framing square to layout cross bridging for a floor with 2x10 joists placed 16” on centre?
a) The joist depth on the tongue and the on centre spacing on the body.
b) 10” on the body and 14.5” on the body.
c) Joist depth less 3/8” on the tongue and the distance between the joists on the body.
d) 9.25” on the tongue and 16” on the body.
C
What is the maximum on center spacing of blocking under a non-loadbearing wall parallel to floor joists?
a) 600mm
b) 800mm
c) 1000mm
d) 1200mm
D
Where should you begin installing floor sheathing on top of the joists?
a) Corner
b) Middle
c) Centre of short side
d) Centre of long side
A
What length should continuous ridge blocks be cut to?
a) 21 1/5”
b) 22 3/8”
c) 22 1/5”
d) 24”
B
What is the maximum diameter hole that can be drilled into the center of a joist at mid span?
a) 1/4 the joist depth
b) 1/3 the joist depth
c) 1/2 the joist depth
d) it is not permitted
A
If nailed properly, what is the minimum size ledger strip that can be used to rest joists on when attaching to the side of a wood beam? OBC a) 38 mm x 38 mm b)19 mm x 38 mm c)19 mm x 64 mm d)38 mm x 64 mm
A
What length would the collar tie be placed 6’ (1.828m) above the top plate on a roof with 1 and 1 slope and a 36’ (10.972m) span?
a) 18’ a)5.486m
b) 24’ b)7.315m
c) 28’ c)8.534m
d) 30’ d)9.144m
B
What angle would you set the saw to when cutting the end of a ridge board on a hip roof?
a) 22.5°
b) 30°
c) 45°
d) 90°
D
What is the correct sequence to install these framing members around an opening in the floor?
a) Inner trimmers, outer trimmers, inner headers, outer headers, tail joists.
b) Outer trimmers, inner headers, outer headers, tail joists, outer trimmers,
c) Inner trimmers, outer headers, tail joists, inner headers, outer trimmers.
d) Inner trimmers, inner headers, tail joist, outer headers, outer trimmers
c
How far beyond their supports may 2x8 floor joists be cantilevered when supporting a roof load? OBC a)400 mm b)600 mm c)1/3, 2/3 ratio d)1/6 ratio
A
What is the minimum size of web members in a roof truss? OBC a)1x2 b)2x2 c)2x3 d)2x4
C
How much sheathing is required for one end of a gable roof with a 1 in 1.5 roof slope and a 32’ (9.753m) span? Calculate
a) 170.6 ft² a)15.848m²
b) 341.13 ft² b)31.704 m²
c) 108 ft² c)10.033m²
d) 216 ft² d)20.065m²
A
What is the size of the ribbon board housed into studs to rest joists on? OBC
a) 19mm x 64 mm
b) 19mm x 89 mm
c) 38mm x 64 mm
d) 38mm x 89 mm
B
If floor joists span 3m, what would be the minimum number of rows of bridging required? OBC a) 1 b)2 c)3 d)0
A
What is the length of a hip rafter for a building with a span of 22’ (6.705m) with a 1 in 3 slope?
a) 11’ - 7 1/8” a)3.53m
b) 15’ - 11 13/16” b)4.872m
c) 17’ - 3 5/16” c)5.26m
d) 23’ - 2 1/4” d) 7.068m
B
How many square feet (meters) of subfloor would cover a circular floor with a 13’ (3.962m) diameter?
a) 20.41 ft² a)6.22 mm²
b) 40.82 ft² b)12.44 mm²
c) 132.67 ft² c)12.32 mm²
d) 530.66 ft² d)49.28 mm²
C
What is the length of the 5th hip jack rafter in from the corner of the building if spaced 16” (400mm) o.c. and it has a slope of 2 in 3?
a) 5’- 0 5/8” a)1540 mm
b) 8’- 0 1/8” b)12.44 mm
c) 12’- 0 1/8” c)3661 mm
d) 16’ -0 5/8” d)4893 mm
B
What can be done to reduce the deflection in the floor sheathing?
??
How long may a header joist be before it has to be doubled? OBC
a) 3.2 m
b) 800 mm
c) 2000mm
d) 1200 mm
D
What is done when sheathing a floor to prevent it from squeaking in the future?
a) Use extra nails
b) always run sheathing parallel to the joist
c) Put waxed paper between joist and sheathing
d) ? It was blank in the question sheet. The scanner didn’t capture this part.
D
What is the minimum sized material used in collar ties?
a) 19mmx 89mm
b) 19mm x 140mm
c) 38mm x 89mm
d) 38mm x 140mm
C
In what order should these components be installed when constructing a traditional overhang?
a) Rafter, lookout, ledger, fascia
b) Ledger, rafter, fascia , lookout.
c) Lookout, fascia, rafter, ledger
d) Rafter, fascia, ledger, lookout.
D
How much larger than the window dimensions should the rough opening be for the window?
a) 1/2”
b) 1”
c) 2”
d) 3”
B
What’s the difference lengths of gable studs spaced 16” (400mm) o.c. for a 1 in 2 sloped roof?
a) 6” a)15mm
b) 8” b)200mm
c) 12” c)300mm
d) 16” d)400mm
B
What is the minimum size of a let-in brace for a 2x4 stud wall?
a) 19mm x 89mm
b) 38mm x 89mm
c) 19mm x 140 mm on edge
d) 38 mm x 89 on edge
A
When using steel studs as structural framing members, how should all wall, floor and ceiling components be installed?
a) offset no more than 1 1/2”
b) all framing is installed “in-line” to transfer load continuously.
c) All interior and exterior walls must be braced diagonally.
d) Double top plates should always be used.
B
How is a common rafter shortened?
a) 3/4” along the top edge of the rafter.
b) 3/4” measured perpendicular to the plumb line.
c) Half the thickness of the ridge measured along the top edge of the rafter.
d) Half the thickness of the ridge measured perpendicular to the plumb line.
D
If the final window size is 32 3/4” (83mm) wide from the outside of jamb to outside of jamb, what is the length of the lintel required for the opening?
36 3/4”
What is the length of the hip rafter for a roof with a 24’ (3600 mm) span and a slope of 1in2?
18’ or 45.4m
Which would be the hypotenuse of the roof frame triangle?
a) Run
b) Span
c) Rise
d) Line Length
D
What determines the run of a shed roof rafter?
a) The line length of the rafter
b) Half the span of the building
c) The span of the building minus one wall thickness
d) The span of the building
C
What is the total rise of an equal slope roof that has a 32’ (9.754 m) span and a 1 in 1 slope?
16’ or 4.877 m
If the span of the gable roof is 24’ (7.315m) and the slope is 1 in 1.5, what is the total rise?
8’
What is the difference between the theoretical line length of a common rafter and the actual length of the rafter?
Half the thickness of the ridge.
A roof has a run of 14’ - 6” and a rise of 5’-9”. Using the 12ths scale to to step off the rafter with total run on the body and the total rise on the tongue, how many times would the square be moved in laying out the length of the rafter?
12 times.
What figures are used on the framing the framing square to layout a plumb line on a hip rafter with a slope of 1 in 1.2?
10 and 17, mark on the 10
What is the minimum thickness of plywood sub-floor joists at 16” (400 mm) O.C.?
OBC
15.5 mm
What tool helps to install the second row of tongue and groove floor sheathing?
Sledge Hammer
What is the minimum bearing for a beam?
89mm
What is the minimum distance between rows of bridging?
2100mm
How are wood floor joists kept straight when installing floor sheathing?
Attach temporary strapping to the underside of the joists.
What length lintel is required for a 2’ - 8” exterior door with 3/4” jambs, allowing a door clearance of 1/4”
3’-4”
What is the plumb cut for a hip/valley cripple jack on a roof with a 1 in 6 slope?
???
How would you make the cut at the end of a cripple jack rafter?
a) Set saw at 45° and make a single cheek cut.
b) Set saw at 90° and make a square cut.
c) Set saw at 22.5° and make a single cheek cut.
d) set saw at 45° and make a double cheek cut
A
What does a raised plate on a minor span indicate?
a) Equal slope
b) Unequal slope
c) Hidden Valley
d) Intersecting roof
B
What is the maximum distance an exterior wall may extend beyond its support?
1/3 width of plate
How do you calculate the actual length of the ridge board for an equal roof pitch?
Building length minus building width, plus 1 1/2”
Why is it necessary to install floor joists with the crown up?
The weight to the structure will settle and straighten the joist
What is the theoretical length of a common rafter for a gable dormer roof with a span of 12’-6” (3810mm) with 1 in 2 slope ratio?
6’ - 11 ⅞” or 2130mm
Give the maximum allowable span for a roof joist with the following specifications: No.2 spruce, 1.5 snow load, 38mm x 184 mm joist, 400 on center.
OBC
4.05M
Where a hatch serves more than one dwelling unit, what are the minimum attic access dimensions?
OBC
550mm x 900mm
What should a rigid foam sheathing be applied to a wood framed walls with?
Screws and washers
A beam for a basement is 17m long. It bears on a foundation at both ends by 100m, and has 5 evenly spaced intermediate support columns with bearing plates that are 140mm x 140mm. What is the quarter point length?
700mm or 2’ - 3 9/16”
What is the common difference in lengths of jacks space at 24” O.C. for a 1:1.2 slope?
31.24”
What is the minimum size and type of nail to install
½” (13mm) gypsum sheathing?
44 roofing nails
Keyword: Fasteners for Sheathing and Subflooring
Table 9.23.3.5. (1)
What is the reinforcement added to the end of an engineered joist where it supports exterior bearing wall called?
Squash block.
What is the primary function of backing in framing?
Strengthen wall finishes.
What is the minimum size wall stud for an exterior wall supporting 1 storey and a roof framed at
16” (406mm) on center?
OBC
38mm x 89 mm
OBC keyword:
Wall Studs
Table 9.23.10.1
What should be done with the end studs of a staggered stud partition?
Doubled up
Which is the minimum size lintel that can be used in the following scenario:
2 storey house 1.5 kPa snow load 1.5M opening Exterior wall SPF lintel material 11mm OSB sheathing
2 - 38mm x 184 mm
What is main purpose of installing H clips when sheathing a roof?
To prevent deflection of the sheets between the trusses.
When framing an intersecting hip roof with trusses, where is the best place to begin erection?
Girder Truss
When framing exterior walls, how should the double top plates at the outside corners be treated?
Overlap the top plate to tie walls together.
What is applied to a preserved wood found at grade?
1” wide piece if PWF plywood
What is the shortening amount for the tail cut of a hip rafter, measured perpendicular to the plumb cut?
The diagonal thickness of the rough fascia
What is the minimum width that a beam pocket should be for a 4 ply built-up wood beam?
7” or 178mm
What is the preferred way to support a 2’ overhang on a gable end?
Cantilever lookouts
What is temporarily done to keep trusses from falling over?
Attach a brace from the gable end to a plate on the bottom chord of the truss
When ridge board intersect what type of cut needs to be made to the hips and valleys when they meet in a tripod fashion?
Double cheeck cut hip, single cheeck cut valley.
What is the greatest advantage to using engineered wood I joists?
Span longer distance
How deep should the birds mouth be on a valley rafter?
The same depth as the common
What should be done with the floor Joist lands in line with the toilet drain pipe will be?
Move Joist over and add another.
