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BDCS > Amber Book Wood > Flashcards

Amber Book Wood Flashcards

1
Q

What does a split ring connector connect and how does it work?

A

connects timbers, bolt is distributed over a larger area bc the ring is between the timbers

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2
Q

What are timber rivets?

A

small but numerous bolts to make one large connection?

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3
Q

What is a stressed skin panel?

A

a strong panel with sheathing on both sides

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4
Q

What is a mortise and tenon?

A

slot joints for timber connection

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5
Q

What span of cavities requires a firestop?

A

greater than 10 feet. In balloon framing

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6
Q

Where is a double top plate?

A

above the cripple studs

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7
Q

What are the uses for wood blocking?

A

short pieces of lumber that fills between studs, act as firestops, spacing between studs, stiffens, reinforces and helps to support loads

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8
Q

Where is a lookout located?

A

the overhangin gpart of the roof perpendicular to the trusses

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9
Q

Where is a rimboard located?

A

it sits on top of header of the floor below or foundation and seals the open ends of the joists.

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10
Q

Where is an ice guard located?

A

under the shingles to prevent damage to the structure.

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11
Q

What are the two options to insulate a crawlspace?

A
  1. ventilate crawlspace and insulate under the floor. 2. Insulate walls and not floors and dont ventilate airspace.
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12
Q

What is the minimum vent area?

A

1/150 of the attic footprint. OR if vapor barrier, 1/300 of area

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13
Q

Which woods are rot resistant?

A

redwood, chestnut, cedar, cypress

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14
Q

What is the difference between summer and spring wood?

A

summer grows slower but stronger. spring grows faster but weaker

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15
Q

What are the applications of hardwood?

A

floors, furniture, trims

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16
Q

What are the applications of softwood?

A

structural lumber

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17
Q

Name the hardwoods.

A

hickory, maple, birch, beech, oak, ash, cherry, walnut, butternut, aspen, basswood, balsa

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18
Q

Name the softwoods.

A

spruce, pine, larch, cedar, hemlock, redwood, fir

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19
Q

What does S-Dry mean?

A

19% moisture content

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20
Q

What is the difference between plainsawn and quarter sawn lumber?

A

plainsawn is parallel to grain and all the wood is used. quartersawn is more dimensionally stable and more expensive

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21
Q

What is a percentage of moisture for wood exposed to the outside? inside?

A

12% and 8%

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22
Q

What is the order of shrinkage direction largest to smallest? longitudinal, radial, tangential

A
  1. tangential, 2. radial, 3. longitudinal
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23
Q

What are 3 types of wood grade?

A

no. 1, utility light framing, stud grade

24
Q

What are 3 types of wood veneer in order of best to least quality?

A

quarter sliced, plain sliced, rotary sliced

25
Q

What type of manufactured wood is best for decking and railing?

A

wood plastic composite

26
Q

What type of manufactured wood is best for overlapping dimensions adhered?

A

glulam

27
Q

What type of manufactured wood is best for large panels, floor, roof and walls?

A

cross laminated timber

28
Q

What type of manufactured wood is made from osb?

A

wood i-joists

29
Q

What type of manufactured wood is the strongest?

A

parallel strand board

30
Q

What type of manufactured wood is least strong and least expensive?

A

LSL and OSL

31
Q

What type of manufactured wood is more flexible than solid wood (needs close supports)?

A

wood plastic composite

32
Q

What is the nominal dimension for 5/4”, 2”, 5”, 6”, 8”?

A

1”, 1.5”, 4.5”, 5.5”, 7.25”

33
Q

Which is the strongest and stiffest wood board?

A

OSB

34
Q

Which has the smallest grains of wood board?

A

fiberboard

35
Q

Which wood boards are best for interior?

A

particle and fiberboard

36
Q

Which wood board is best for subfloors and exterior?

A

OSB

37
Q

Which wood board is the smoothest?

A

fiberboard

38
Q

What does a span rating of 32/16 mean?

A

roof/floor spacing. 32” OC for roof, 16” for floor

39
Q

Which rated plywood is better for weathering, exposure 1 or exterior?

A

exterior is better than exposure 1. 95% of plywood is exposure 1

40
Q

Which tree types are termite resistant?

A

eastern red cedar and redwood

41
Q

Which tree types are decay resistant?

A

black locust, red mulberry, osage orange, pacific yew

42
Q

What is the code for treated wood joists?

A

cannot be less than 18” above grade

43
Q

What is the code for treated wood beams or girders?

A

cannot be less than 12” above grade

44
Q

What is the code for treated wood framing or sheathing

A

cannot be leses than 8” from soil

45
Q

What is the code for plates, sill or sleepers?

A

if in direct contact with masonry or concrete, it must be indirect contact w/ earth

46
Q

What are 3 types of nail weather coatings?

A

bright(no weather coating), hot galvanized nails, hot dipped galvanized nails (high weather resistance)

47
Q

What is the minimum clearance between finish grade and wood construction?

A

6”

48
Q

What 4 things determine the strength of a post and beam connection?

A
  1. species and grade of lumber
  2. thickness of wood members
  3. angle of the resisting force relative to the grain of the wood
  4. the size and number of bolts/timber connectors used
49
Q

What type of wood is normally used for shingles and shakes?

A

red cedar

50
Q

What type of wood treatment is best for painted below ground applications with steel fasteners?

A

carbon based PTI and micronized copper

51
Q

What wood treatment is most toxic?

A

creosote and chromated copper arsenate

52
Q

What wood treatment is limited to above ground applications

A

disodium octoborate tetrahydrate (DOT) and sodium borate (SBX)

53
Q

What wood treatment is most corrosive to some metal fastners?

A

copper based - CCA, ACQ and CBA

54
Q

What wood treatment cannot be painted?

A

oil based - creosote, pentacholorophenol

55
Q

What wood treatment is used for telephone poles?

A

pentochlorophenol

BDCS (10 decks)

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