In depth natural and manufactured timber

Question 1

How can you season wood?

Answer 1

• Air dry

- Kiln Dry

Question 2

What happens if you don’t season wood (the defects in timber)?

Answer 2

• Shrink
• Splits
• Shakes
• Knots
• Fungal attack

Question 3

Name four hardwoods?

Answer 3

• Oak
• Beach
• Balsa wood
• Mahogany
• Jelutong

Question 4

Name 3 softwoods?

Answer 4

• Scots Pine
• Parana Pine
• Western Red Cedar

Question 5

List 4 manufactured boards

Answer 5

• Blockboard
• Chipboard
• Plywood
• MDF (Modern Density Fibreboard)
• Hardboard

Question 6

What is the lifecycle of timber products?

Answer 6

• Tree planted
• Tree felled
• Tree transported
• Tree converted into useful sizes
• Wood transported to the factory
• Product manufactured
• Retailed
• Used
• Thrown Away

Question 7

What does FSC stand for?

Answer 7

• Forest Stewardship Council

Question 8

What are the properties of Jelutong?

Answer 8

• Close grain
• Pale colour
• Medium hardness and toughness
• Easily worked

Question 9

What are the properties of Beech?

Answer 9

• Hard and Strong
• Light brown
• Difficult to work

Question 10

What are the properties of Mahogany?

Answer 10

• Red colour
• Easy to work
• Strong and Durable

Question 11

What are the properties of Oak?

Answer 11

• Hard, tough and durable

- Can be finished to a high standard

Question 12

What are the properties of Balsa?

Answer 12

• Very light
• Soft
• Easily worked
• Weak and not durable

Question 13

What are the properties of Western Red Cedar?

Answer 13

• Very resistant to weathering and decay
• A reddish brown colour
• Easily worked

Question 14

What are the properties of Scots Pine?

Answer 14

• Light yellow colour
• Very knotty
• Soft and Easy to work

Question 15

What are the properties of Parana Pine?

Answer 15

• Fewer knots

- Strong and durable

Question 16

What are the 6 finishes or treatments of timber?

Answer 16

• Stain
• Varnish
• Preservative
• Oil
• Polish
• Paint

Question 17

What are the 4 types of frame joints?

Answer 17

• Dowel
• Mitre
• Mortise and tenon
• Halving
• bridle joint

Question 18

What are the 5 types of box/carcass joint?

Answer 18

• Butt
• Lap
• Housing
• Dovetail
• comb joint

Question 19

Screws are used to make temporary joints. Name the two types of screw used.

Answer 19

• countersunk

- round head

Question 20

Name the 3 wood adhesives used.

Answer 20

PVA  (for wood to wood)
Contact adhesive   (for wood to other materials)
Epoxy resin    (for wood to other materials)

Question 21

What are the 4 main processes for producing wood products?

Answer 21

Jointing
Veneering
Laminating
Steam Bending