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GCSE DT > In depth natural and manufactured timber > Flashcards

In depth natural and manufactured timber Flashcards

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1
Q

How can you season wood?

A
  • Air dry

- Kiln Dry

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2
Q

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

A
  • Shrink
  • Splits
  • Shakes
  • Knots
  • Fungal attack
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3
Q

Name four hardwoods?

A
  • Oak
  • Beach
  • Balsa wood
  • Mahogany
  • Jelutong
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4
Q

Name 3 softwoods?

A
  • Scots Pine
  • Parana Pine
  • Western Red Cedar
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5
Q

List 4 manufactured boards

A
  • Blockboard
  • Chipboard
  • Plywood
  • MDF (Modern Density Fibreboard)
  • Hardboard
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6
Q

What is the lifecycle of timber products?

A
  • Tree planted
  • Tree felled
  • Tree transported
  • Tree converted into useful sizes
  • Wood transported to the factory
  • Product manufactured
  • Retailed
  • Used
  • Thrown Away
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7
Q

What does FSC stand for?

A
  • Forest Stewardship Council
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8
Q

What are the properties of Jelutong?

A
  • Close grain
  • Pale colour
  • Medium hardness and toughness
  • Easily worked
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9
Q

What are the properties of Beech?

A
  • Hard and Strong
  • Light brown
  • Difficult to work
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10
Q

What are the properties of Mahogany?

A
  • Red colour
  • Easy to work
  • Strong and Durable
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11
Q

What are the properties of Oak?

A
  • Hard, tough and durable

- Can be finished to a high standard

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12
Q

What are the properties of Balsa?

A
  • Very light
  • Soft
  • Easily worked
  • Weak and not durable
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13
Q

What are the properties of Western Red Cedar?

A
  • Very resistant to weathering and decay
  • A reddish brown colour
  • Easily worked
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14
Q

What are the properties of Scots Pine?

A
  • Light yellow colour
  • Very knotty
  • Soft and Easy to work
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15
Q

What are the properties of Parana Pine?

A
  • Fewer knots

- Strong and durable

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16
Q

What are the 6 finishes or treatments of timber?

A
  • Stain
  • Varnish
  • Preservative
  • Oil
  • Polish
  • Paint
17
Q

What are the 4 types of frame joints?

A
  • Dowel
  • Mitre
  • Mortise and tenon
  • Halving
  • bridle joint
18
Q

What are the 5 types of box/carcass joint?

A
  • Butt
  • Lap
  • Housing
  • Dovetail
  • comb joint
19
Q

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

A
  • countersunk

- round head

20
Q

Name the 3 wood adhesives used.

A 
PVA  (for wood to wood)
Contact adhesive   (for wood to other materials)
Epoxy resin    (for wood to other materials)
21
Q

What are the 4 main processes for producing wood products?

A

Jointing
Veneering
Laminating
Steam Bending

GCSE DT (12 decks)

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