Timbers

Question 1

Properties of coniferous/softwood tree?

Answer 1

Grow in cooler climates,
softer and easy to work with
cone-bearing trees, grow tall
loser grain structure
Often a building material
Grow faster than hardwoods

Question 2

Properties of deciduous/hardwood trees?

Answer 2

Are usually quite hard
Grow in temperate climates
Seeds are enclosed in fruit
Slower growing trees (100 years)
Tighter grain
Very expensive
Mostly Found in Tropical or subtropical countries

Question 3

Types of Coniferous trees?

Answer 3

Larch
Pine
Spruce
Redwood

Question 4

Types of deciduous trees?

Answer 4

Ash
Beech
Mahogany
Oak
Balsa

Question 5

Properties of manufactured boards?

Answer 5

Many thicknesses
Inexpensive
Covered with a thin layer of real wood called veneer
Made from waste wood
Large sheets of consistant quantity

Question 6

Types of manufactured boards?

Answer 6

MDF (medium density fibre)
Plywood
Chipboard

Question 7

What is conversion?

Answer 7

The process of cutting tree trunks into plants in a sawmill where they become timber

Question 8

What is seasoning?

Answer 8

The process of drying the planks out either using a Kiln to heat it up or leave it out naturally

Question 9

What are the two types of seasoning?

Answer 9

Air seasoning
Kiln seasoning

Question 10

Physical Properties of Ash?

Answer 10

Pale coloured, narrow grain

Question 11

Physical Properties of Beech?

Answer 11

Slight pink tint, close grain

Question 12

Physical properties of mahogany?

Answer 12

Dark-reddish colour, very close grain

Question 13

Physical properties of oak?

Answer 13

Moderate-brown colour with unique and attractive grain markings

Question 14

Physical properties of Balsa?

Answer 14

Pale and wide-spaced grain due to it being a fast-growing hardwood

Question 15

Physical properties of Larch?

Answer 15

Pale coloured with a contrasting darker grain, knotty

Question 16

Physical properties of Pine?

Answer 16

Pale coloured with aesthetically pleasing grain

Question 17

Physical properties of Spruce?

Answer 17

Pale cream with an even grain

Question 18

Common uses of Ash?

Answer 18

Sports equipment, ladders

Question 19

Common uses of Beech?

Answer 19

Furniture, children’s toys, workshop tool handles and bench tops

Question 20

Common uses of Mahogany?

Answer 20

Good quality furniture, panelling and veneers

Question 21

Common uses of oak?

Answer 21

Timber framed buildings, high quality furniture, flooring

Question 22

Common uses of Balsa?

Answer 22

Model making, floats and rafts

Question 23

Common uses of spruce?

Answer 23

Fencing, fence posts, cladding and decking

Question 24

Common uses of pine?

Answer 24

Interior joinery and furniture, window frames

Question 25

Common uses of spruce?

Answer 25

Bedroom furniture, stringed musical instruments

Question 26

Physical properties of Medium-density fibreboard?

Answer 26

Smooth, light brown, can be veneered

Question 27

Physical properties of Plywood?

Answer 27

Odd number of layers of veneer glued at 90 degree angles for strength, aesthetically pleasing outer layer

Question 28

Physical properties of Chipboard?

Answer 28

Compacted wood chips, laminated with a variety of coverings, end cuts are difficult to finish

Question 29

What is Medium-density fibreboard (MDF)?

Answer 29

Compressed board that is manufactured from fine fibres of wood combined with a synthetic adhesive. Compressed between two heated plates. Made from low-grade softwood and hardwood timber along with waste wood from other manufacturing processes

Question 30

What is plywood?

Answer 30

Laminated board made up of several veneers of wood glued on top of each other. Each layer is at a 90 degree angle. The grain is running in the same direction

Question 31

What is chipboard?

Answer 31

Manufacture board made up of several chips of timber glued together under pressure

Question 32

Common uses of MDF?

Answer 32

Flat-pack furniture, decorative mouldings and shop interiors

Question 33

Common uses of plywood?

Answer 33

Laminated flooring, roofing and furniture

Question 34

Common uses of chipboard?

Answer 34

Kitchen work surfaces, kitchen cupboards and flooring

Question 35

Working properties of Ash?

Answer 35

Flexible and good for steam bending, tough

Question 36

Working properties of beech

Answer 36

Tough Durable Smooth to finish

Question 37

Working properties of mahogany?

Answer 37

Cuts and polishes easily Gives a fine finish

Question 38

Working properties of Oak?

Answer 38

Tough and durable Polishes well

Question 39

Working properties of Balsa?

Answer 39

Very soft and easy to form

Question 40

Working properties of Larch?

Answer 40

Durable Easy to machine High sap content gives it good water resistance

Question 41

Working properties of Pine?

Answer 41

Lightweight Easy to form

Question 42

Working properties of Spruce?

Answer 42

Easy to form Takes stain colour well

Question 43

Working properties of MDF?

Answer 43

Smooth and easy to finish Absorbs moisture so not suitable for outdoor use

Question 44

Working properties of Plywood?

Answer 44

Easy to cut and finish Can be stained or painting

Question 45

Working properties of Chipboard?

Answer 45

Strong but absorbent to water