Carpentry (Overview) Flashcards
To stiffen floor construction, a builder should:
a: Use proper bridging
b: Use building paper over subflooring
c: Use a steel beam instead of a wood beam
d: Use a lot of nails
a: Use proper bridging
Bearing walls running above and parallel to the floor joists require that the floor joists be:
a: Doubled
b: Either a or c
c: Laddered
d: Replaced
b: Either a or c
In lumber classification, Firsts and seconds (FAS) is best described as:
a: Discarded boards suitable for concrete forms and other uses
b: Boards of approximately 8’ and 10’ lengths.
c: Boards with few knots or irregularities
d: Exceptionally green lumber prone to heavy shrinkage.
c: Boards with few knots or irregularities
For a fire stop, you should not use:
a: 3/4” plywood
b: 19/32” particle board
c: A thickness of two 1” of lumber
d: 2” nominal thickness lumber
b: 19/32” particle board
When floors require bridging, use solid blocking, diagonal wood or metal bracing or a continuous 1 x 3 strip nailed across the bottom of joists for spans over _______.
a: 6 feet
b: 8 feet
c: 10 feet
d: 12 feet
b: 8 feet
The lowest horizontal member of a truss is called a:
a: Bottom chord
b: Brace
c: Ceiling joist
d: Stay
a: Bottom chord
What is the minimum amount of bearing for the ends of each joist placed over a girder or sillplate?
a: 1”
b: 1 1/4”
c: 1 1/2”
d: 1 3/4”
c: 1 1/2”
The name for the metal or wood plate used to strengthen the joints of a truss is:
a: Gusset
b: Chord
c: Metal tie
d: None of the above
a: Gusset
When framing for large openings in the floor, the joist and header should be:
a: Notched
b: Tripled
c: Reinforced
d: Doubled
d: Doubled
A ledger is:
a: Part of a window
b: A strip for headers to rest on
c: A board for joists to fasten to
d: An accounting book
c: A board for joists to fasten to
Joists resting on beams or girders must overlap a minimum of how many inches, if they don’t run continuous?
a: 5
b: 4
c: 3
d: 2
c: 3
If joists are to be framed flush with the top of a wood girder, it is best to use:
a: Edging strip
b: Hangers
c: Flushers
d: 8D nails
b: Hangers
In exterior walls and bearing partitions, any wood stud is permitted to be cut or notched to a depth not exceeding______ of its width.
a: 50%
b: 40%
c: 25%
d: Non of the above
c: 25%
Holes drilled into floor joists for piping shall not exceed 1/3 of the depth of the joist and:
a: Must be closer than 2’ to the top or bottom
b: Must be in middle third of the span
c: Not in the left or right third of the span.
d: Not be closer than 2” to the top or bottom of the joist.
d: Not be closer than 2” to the top or bottom of the joist.
Rafters and floor joists should be installed with the:
a: Crown up
b: Bow up
c: Crown down
d: None of the above
a: Crown up
The mark C-D stamped on a sheet of plywood refers to the:
a: Strength of the plywood
b: Stereophonic capability when used in speakers
c: Veneer grade
d: Construction durability
c: Veneer grade
A sheet of plywood stamped 32/16 has a maximum span of:
a: 32” subflooring and 16” roof sheathing
b: 32” wall sheathing and 16” roof sheathing
c: 32” roof sheathing and 16” wall sheathing
d: 32” roof sheathing and 16” subflooring
d: 32” roof sheathing and 16” subflooring
What is used over doors/windows openings to transfer superimposed loads to vertical members
a: Ceiling joists
b: Rafters
c: Headers
d: Wall top plates
c: Headers
The maximum size hole that may be bored into a 12” floor joist is:
a: 2”
b: 3”
c: 3 3/4”
d: 6”
c: 3 3/4”
Plywood testing and rating is performed by:
a: APA
b: TIOSHA
c: IRC/MRC 2000
d: EPA
a: APA
What is meant by the term dead load?
a: Weight from immovable objects
b: Weight from building materials and permanent mechanical systems
c: Weight distributed to the earth
d: None of the above
b: Weight from building materials and permanent mechanical systems
A ridge board for rafters shall not be less than____inch nominal thickness and not less than the depth of the cut end of the rafter.
a: 1
b: 2
c: 3
d: 4
a: 1
What is the maximum notch depth in the middle third of a rafter?
a: 1/6 the depth of the rafter
b: 1/4 the depth of the rafter
c: 1/3 the depth of the rafter
d: Never notch the middle third!
d: Never notch the middle third!
True or False. Live load is load produced by the use and occupancy of the building or other structure that does not include construction or environment loads.
True
For most wood, drying its moisture content to_____percent does not result in shrinkage.
a: 12
b: 20
c: 28
d: None of the abvoe
c: 28
True or False. The most stable lumber is quarter sawn.
True
Preservative-treated wood shall be marked with a stamp or label showing:
a: Identification of treating manufacturer
b: Type of preservative used
c: Minimum preservative retention (pcf)
d: All of the above
d: All of the above
An engineered, stress-rated product created by bonding together individual pieces of lumber together to form a beam is called:
a: Sheathing
b: Rim board
c: Glulam
d: None of the above
c: Glulam
True or False. Floor joists in balloon framing rest on a 1 x 4 ribbon that is let in to the inside edge of the studs.
True
A wood floor system is made-up of:
a: Floor joist or I joist
b: Subflooring
c: Posts and beams
d: All of the above
d: All of the above
A girder is a structural, horizontal member used to support:
a: Masonry
b: Posts
c: Trusses
d: None of the above
c: Trusses
The minimum airspace on the sides of a wood beam in a masonry pocket is_____inch.
a: 1/4
b: 3/8
c: 1/2
d: All of the above
c: 1/2
Name a type of floor joist bridging.
a: Cross bridging
b: Metal strap
c: Solid
d: All of the above
d: All of the above
Sill seal would be used____.
a: At the bottom of the footing.
b: At the top of a framed wall.
c: Between the top of the foundation wall and the underside of the sill plate
d: None of the above
c: Between the top of the foundation wall and the underside of the sill plate
Floor joist shall have a minimum bearing on wood or metal of ____inches or ____inches on masonry.
a: 3 and 4
b: 2 and 3
c: 1-1/2 and 3
d: None of the above
c: 1-1/2 and 3
Joist framing from opposite sides of a beam shall be nailed together with a minimum of ____face nails.
a: 3-10d
b: 3-8d
c: 2-16d
d: None of the above
a: 3-10d
True or False. A wall plate is the horizontal member at the top or bottom of a wall.
True
The_____stud is immediately beside and fastened to the jack or trimmer stud.
a: Cripple
b: King-stud
c: Sill
d: None of the above
b: King-stud
A bored hole in a stud can be no less than____ of an inch from the edge of the stud.
a: 5/8
b: 1/2
c: 3/8
d: All of the above
a: 5/8
Using Table R602.3(1), rafters can be fastened to the top plate of a wall with_____nails.
a: 3-10d box
b: 3-8d common
c: 3-16d box
d: None of the above
c: 3-16d box
End joints in double top-plates shall be offset at least_____inches.
a: 24
b: 36
c: 48
d: None of the above
a: 24
True or False. Wall bracing can be 1 x 4’s let into the top and bottom plates and intervening studs, placed at an angle of not more than 60 degrees and less than 45 degrees from horizontal.
True
Using Table R802.4(2) for a #1 Hem-Fir, 2 x 6 ceiling joists, spaced 16 inches O.C., what is the maximum ceiling joist span?
a: 16’-10 in.
b: 13’-7 in.
c: 8’-9in,
d: None of the above
b: 13’-7 in.
Collar ties are used to prevent unwanted spread in a_____.
a: Roof assembly
b: Floor system
c: Window opening
d: None of the above
a: Roof assembly
For a 2 x 8, #1 Hem-Fir spaced 16 inches O.C., with a Dead Load of 20 pounds per SF, what is the maximum rafter span?
a: 18’-10 in.
b: 12’-11 in.
c: 16’-7 in.
d: None of the above
c: 16’-7 in.
The_____truss is the most common due to its versatility.
a: Scissor
b: Piggy-back
c: Fink or W
d: None of the above
c: Fink or W
Using Table R602.3(1), to fasten a top plate to a stud, what is the fastening requirement?
a: 2-16d common
b: 3-10d common
c: 2-8d common
d: None of the above
a: 2-16d common
Using Table R602.3(1), to install 1 inch diagonal brace to stud and plate, what is the fastening requirement?
a: 2-16d common
b: 3-10 d common
c: 2-8d common
d: None of the above
c: 2-8d common