DT Timbers Exam Questions Correctly Answered.
Timber - CORRECT ANSWER • Wood that comes from tree trunks then dried and cut into planks
•Used for building materials for homes tools furniture
•Used a lot as trees grow naturally
•The wood is easy to work with
•Lightweight
•...
Timber - CORRECT ANSWER • Wood that comes from tree trunks then dried and cut into planks
•Used for building materials for homes tools furniture
•Used a lot as trees grow naturally
•The wood is easy to work with
•Lightweight
•Strong
Grain - CORRECT ANSWER Fibres that run the length of a tree trunk, which gives it its strength and make
the distinctive patterns you see on timber.
Hardwood - CORRECT ANSWER Comes from deciduous trees and are more expensive as they take longer
to grow (100yrs) and they lose their leaves in winter.
Jelutong (hardwood) - CORRECT ANSWER ✔️advantages : close grain, even, easy to cut and shape
❌disadvantages: soft and not very strong so not good for structural uses
Used for making moulds for casting or vacuum forming
Birch (hardwood) - CORRECT ANSWER ✔️advantages: regular and even grain that's easy to work with
❌ low resistance to rot and insect attack
Used for veneers to make plywood and to surface cheaper materials used for interior doors and
furniture
Ash (Hardwood) - CORRECT ANSWER ✔️Tough, flexible, good elasticity and finishes well
❌Low Resistance to rot and insect attack
Used for handles for tools, sports equipment and ladders
, Oak (hardwood) - CORRECT ANSWER ✔️strong and durable and has an attractive grain when well
finished
❌ expensive, becoming rarer and corrodes iron and Steel
Uses : building houses, high need furniture
Mahogany (hardwood) - CORRECT ANSWER ✔️attractive finish and quite easy to work
❌ expensive and environmental issues and oils in wood can give some people rash and breathing issues
Uses: high quality furniture, windows
Beech (hardwood) - CORRECT ANSWER ✔️tough wood and does not crack or splinter easily and hard
❌ expensive and not very resistant to moisture so not for outside use
Use : toys, sold and laminated furniture
Balsa (hardwood) - CORRECT ANSWER ✔️lightweight and easy to cut
❌ too soft for products
Uses: model making
Softwood - CORRECT ANSWER comes from coniferous trees and only takes ten years to mature so is
cheaper. However it involves mass deforestation which is not environmentally friendly.
The leaves are needle-like and most are evergreen
Pine (softwood) - CORRECT ANSWER ✔️durable and easy to work and quite cheap as it grows fast and
strong
❌ can warp or splinter
Common uses: house construction for roof joints and floorboards and furniture too
Has a pale colour
Cedar (softwood) - CORRECT ANSWER ✔️natural oils make it resistant to water and fungal growth
❌ more expensive than pine but not as strong
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