Slide 1

Question 1

What does MAATO stand for?

Answer 1

Member of the Association of Architectural Technologists of Ontario

Question 2

What does CBCO stand for?

Answer 2

Certified Building Code Official

Question 3

What does BCIN stand for?

Answer 3

Building Code Identification Number

Question 4

What are coniferous trees also known as?

Answer 4

Soft Woods

Question 5

What are coniferous trees?

Answer 5

Spruce, Pine, Fir

Question 6

What are spruce, pine, fir trees?

Answer 6

Coniferous

Question 7

Do coniferous or deciduous trees have more species in Canada?

Answer 7

Deciduous

Question 8

Do coniferous or deciduous trees have a larger quantity of trees?

Answer 8

Coniferous

Question 9

What are Hard Wood trees also known as?

Answer 9

Deciduous

Question 10

What are deciduous trees?

Answer 10

Maple, Oak, Birch

Question 11

Where does growth occur in the tree?

Answer 11

The Cambium layer

Question 12

What is sapwood also known as?

Answer 12

Early wood

Question 13

Is sapwood light or dark?

Answer 13

Light

Question 14

What is hardwood also known as?

Answer 14

Late wood

Question 15

Is hardwood light or dark?

Answer 15

Dark

Question 16

Which is denser, sapwood or hardwood?

Answer 16

Late wood

Question 17

What makes up the cell walls?

Answer 17

Cellulose and Hemicellulose

Question 18

What is cellulose and hemicellulose?

Answer 18

Strand like polymers

Question 19

What is lignin?

Answer 19

A thin cementing layer between cell walls

Question 20

Where is lignin located?

Answer 20

Between cell walls

Question 21

What is free water?

Answer 21

Water located within cell cavities

Question 22

What is bound water?

Answer 22

Water located within structure of cell walls

Question 23

What kind of water is in cell cavities?

Answer 23

Free water

Question 24

What kind of water is in the structure of cell walls?

Answer 24

Bound water

Question 25

What does FSP stand for?

Answer 25

Fibre Saturation Point

Question 26

What happens when cell walls begin to collapse?

Answer 26

Dimensional change and deformation

Question 27

Why do cell walls collapse?

Answer 27

Moisture content drops below the FSP

Question 28

What is dimensional change also known as?

Answer 28

Shrinkage

Question 29

What does deformation include?

Answer 29

Warping, splitting, etc.

Question 30

What does Hygroscopic mean?

Answer 30

Wood will expand or swell when moisture is absorbed and shrinks when moisture is lost

Question 31

What moisture content must dry wood stay under according to the building code?

Answer 31

19%

Question 32

What is the formula for moisture content?

Answer 32

MC=(weight of water in wood/wight of dry wood)X100

Question 33

What are the three axis of dimensional change?

Answer 33

Radial, longitudinal, and tangential

Question 34

What describes the character of the cellular structure exposed on the cut surface?

Answer 34

Grain

Question 35

What does Anisotropic mean?

Answer 35

It is strong along or parallel to cells but weak across or perpendicular to cells

Question 36

What type of material would have the same properties along all axis?

Answer 36

An isotropic material

Question 37

What axis has the most shrinkage and by how much?

Answer 37

Tangential shrinkage is double the radial shrinkage

Question 38

What type of sawn board is considered more stable?

Answer 38

Quartersawn

Question 39

What is the angle of rings in quarter-sawn wood?

Answer 39

>45 degrees

Question 40

What is the angle of rings in flat-sawn wood?

Answer 40

<45 degrees

Question 41

What type of sawn wood has rings that are greater than 45 degrees?

Answer 41

Quarter-sawn

Question 42

What type of sawn wood has rings that are less than 45 degrees?

Answer 42

Flat-sawn

Question 43

What is flat-sawn also known as?

Answer 43

Plain-sawn

Question 44

What does lumber surfacing do?

Answer 44

Smoothes lumber, rounds edges, makes it more square

Question 45

What occurs first: surfacing or seasoning?

Answer 45

Seasoning

Question 46

What does S-GRN stand for?

Answer 46

Surfaced Green

Question 47

What does S-DRY stand for?

Answer 47

Surfaced Dry

Question 48

What does S-GRN mean?

Answer 48

Lumber has been surfaced before seasoning

Question 49

What moisture content does S-GRN have?

Answer 49

More than 19%

Question 50

How is wood graded?

Answer 50

Visual inspection

Question 51

What lumber is graded and stamped?

Answer 51

Any used for structural framing

Question 52

What does NLGA stand for?

Answer 52

National Lumber Grades Authority

Question 53

What wood is machine graded?

Answer 53

Lumber used in demanding structural applications

Question 54

What 5 things are included on a grade stamp?

Answer 54

Grading rules, grade number/name, species, S-GRN/S-DRY, mill number