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ARE 5.0 > Wood > Flashcards

Wood Flashcards

1
Q

When specifying a rot resistant wood, what exact specification do you have to write to get the rot resistance?

A

The Heartwood

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2
Q

Which grows faster, springwood or summerwood?

A

Springwood

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3
Q

Which is stronger, springwood or summerwood?

A

Summerwood

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4
Q

What type of wood is typically used for trim?

A

Hardwood

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5
Q

What type of trees produce ‘hardwood’?

A

Broadleaf trees - deciduous trees

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6
Q

What type of trees produce ‘softwood’?

A

Pine trees, evergreen and conifer trees

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7
Q

Which of the following has a higher structural quality?

MC15 or MC19

A

MC15

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8
Q

What does MC15 and MC19 mean?

A

Moisture Content

15 = 15%
19 = 19%

Less moisture = stronger tree

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9
Q

What’s the formula for the moisture content?

A

((Wwet - Wdry) / Wdry) * 100

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10
Q

What is the process by which the bound water in the cells is released?

A

Seasoning

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11
Q

How does wood shrink?

A

Tangentially to the grain

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12
Q

What is the most expensive type of wood per board foot?

A

Glulam

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13
Q

What type of engineered wood can make a large and strong panel?

A

CLT - cross laminated timber

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14
Q

Which has longer strands and which has shorter strands:

  1. LSL (Laminated Strand Lumber)
  2. OSL (Oriented Strand Lumber)
A

Longer = LSL
Shorter = OSL

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15
Q

What makes Parallel Strand Lumber strong?

A

The strips being laid in the same direction

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16
Q

What is the calculation to determine ‘board feet’?

A

Nominal Dim W x Nominal Dim D x Length / 12

17
Q

Rank the following from largest strands to smallest strands:

  1. Particle Board
  2. Fiber Board
  3. Oriented Strand Board
A

Largest - OSB
Middle - Particle
Smallest - Fiber

18
Q

What type of non-veneer panel is MDF?

A

Fiberboard

19
Q

A wood panel has a rating of 32/16. What does this mean?

A

It can span 32” as a roof board and 16” as a floor board

20
Q

What are the 2 types of wood treatment that has been phased out for being toxic?

A

Creosote and CCA (Chromated Copper Arsenic)

21
Q

What type of wood treatment is used on telephone poles?

A

Pentachlorophenol

Remember ‘Penta’

22
Q

What type of treatment should be used for above ground, ground contact and/or freshwater immersion?

A

ACQ and CBA

Alkaline Copper Quaternary
Copper Boron Azole

THINK COPPER

23
Q

What types of fasteners should NEVER be used with ACQ and CBA treatment?

A

Steel or aluminum fasteners due to galvanic action.

24
Q

What types of fasteners are allowed to be used with ACQ and CBA treatment?

A

Stainless steel, zinc galvanized and copper alloy

25
Q

What types of treatments should be used for termite protection?

A

Borons

SBX - Sodium Borate
DOT - Disodium Octoborate Tetrahydrate

26
Q

Which wood treatment can be painted, be below ground and be installed with steel fastners?

A

Carbon Based PTI and Micronized Copper

27
Q

Which are the most toxic wood treatments?

A

Creosote and CCA

28
Q

Which is limited to above ground use?

A

SBX and DOT

29
Q

Which is most corrosive to steel fasteners?

A

ACQ, CBA and CCA

30
Q

Which can’t be painted?

A

Creosote and Penta…..

31
Q

Which woods are naturally termite resistant?

A

Eastern Red Cedar and Redwood

32
Q

What type of nails have a flat head?

Common Nail
Brad
Finish Nail
Sinker Nail
Casing Nail
Box Nail
Hardened Concrete Nail
Roof Nail

A

Common Nail - because its common
Box Nail - why have round on a box
Sinker Nail - flush install, no filling
Roofing Nail - we don’t want VALLEYS on our roof do we?

33
Q

What type of nails have a tiny head?

Common Nail
Brad
Finish Nail
Sinker Nail
Casing Nail
Box Nail
Hardened Concrete Nail
Roof Nail

A

Brad - so does he
Finish Nail - to fill with the smallest size
Casing Nail - see above

34
Q

What is the stronger nail connection?

A

Face nail

35
Q

What is the difference between a carriage bolt and a machine bolt?

A

Machine bolts need wrenches on both sides.

Carriage bolts catch on the wood so a wrench is only required on one side

36
Q

In which scenario is fire stopping required?

Balloon Framing or Platform Framing?

A

Balloon Framing

37
Q
A

ARE 5.0 (9 decks)

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