Dt From Book- Timbers

Question 1

What type of trees do hardwoods come from

Answer 1

Deciduous

Question 2

What type of trees fo softwoods come from

Answer 2

Coniferous

Question 3

What are the three ways trees can be cut

Answer 3

Through and through, quarter and baulk

Question 4

What are the characteristics of baulk cut

Answer 4

Simple, not versatile, used in posts and beams

Question 5

What are the characteristics of the quarter cut

Answer 5

Complex and expensive, creates waste, high quality, used in furniture

Question 6

What are the characteristics of the through and through cut

Answer 6

Cost effective and quick, can warp and twist, general use

Question 7

What are the two ways wood can be seasoned

Answer 7

Kiln and air

Question 8

Give characteristics of air seasoning

Answer 8

Cost effective, takes a long time,

Question 9

Give characteristics of kiln seasoning

Answer 9

Heat steam and pressure are used, faster but more expensive than air seasoning

Question 10

What are the 3 types of manufactured boards

Answer 10

Plywood, MDF and chipboard

Question 11

How is plywood made

Answer 11

Alternate veneers of wood glued together

Question 12

How is MDF made

Answer 12

Wood chips are broken down into pulp, mixed itch glue and compressed

Question 13

How is chipboard made

Answer 13

Small chips of wood are compressed and glued together

Question 14

What type of woods are used for wooden toys

Answer 14

Hardwoods such as beech and oak - also easy to paint

Question 15

What type of boards are used for flat pack furniture and why

Answer 15

Manufactured boards- cheaper, easy to assemble and dissemble for transportation.

Question 16

What are mouldings

Answer 16

Specially shaped sections of wood- commonly used for frames or skirting boards.

Question 17

what is the standard size for manufactured boards

Answer 17

2400 X 120mm sheets

Question 18

What ate the 4 types of wood screw

Answer 18

Slotted, pozidriv, Phillips, Allen

Question 19

What are the 3 types of hinges and what are they commonly made out of

Answer 19

Butt hinge, flush, concealed- brass, steel or plastic

Question 20

What are the 3 knock-down fittings

Answer 20

Corner block fitting, cam lock, scan fitting

Question 21

What are 3 of the surface treatments/ finishes

Answer 21

Paint, varnish, tantalising

Question 22

What is varnish

Answer 22

Translucent and provides a hard, protective finish to wood

Question 23

What is tanalising

Answer 23

Preservatives can be added to the wood- this protects from rot, decay and insects

Question 24

What si the process of tanalising

Answer 24

Wood is placed in a tank where a vacuum is created
Thank is flooded with preservative treatment
Pressure is applied forcing the treatment deep into the wood
Excess preservative is drained and wood is left to dry.