Term 2- Half Yearly Exam

Question 0

Uses of Particleboard?

Answer 0

Kitchen doors, fire doors, mostly internal uses e.g. shelving

Question 1

Sources of Particleboard?

Answer 1

Glued together wood particles, from trimming with an adhesive and under heat and pressure, from strong grainless sheets

Question 2

Disadvantages of particleboard?

Answer 2

All grades except high density tend to soak up water, swell and breakdown

Question 3

Sources of MDF?

Answer 3

Hardboard made from wood fibres glued together under heat and pressure.

Question 4

Advantages of MDF

Answer 4

Dense, stiff, no knots, easily machined

Question 5

Disadvantages of MDF

Answer 5

Contain urea formaldehyde maybe released through cutting and sanding.

Question 6

Uses of MDF

Answer 6

Display cabinets, wall-panels, storage units

Question 7

Sources of plywood

Answer 7

Laminating odd numbers of thin veneered arranged with grain direction at right angles, alternating layers

Question 8

Advantages of plywood

Answer 8

Strong, the more veneers used the stronger it becomes

Question 9

Uses of Plywood

Answer 9

Interior and exterior, wall panelling, furniture

Question 10

Sources of hardboard

Answer 10

Eucalypt chips are pulped with water and spread on a mat on a moving wire mesh screen. Mats compressed forming tough, dense sheets

Question 11

Advantages of hardboard

Answer 11

3 types available

Question 12

Disadvantages of hardboard

Answer 12

Cannot be used outside

Question 13

Uses of hardboard

Answer 13

Cheaper option than plywood, cupboard backs, drawer bottoms

Question 14

What are some edge treatments

Answer 14

Plastic laminates bonded to particle board

Question 15

What is a veneer

Answer 15

A thin layer of real wood applied to substrate material. Provide outward aesthetics of solid wood.

Question 16

What is marine ply?

Answer 16

Type of plywood bonded with waterproof adhesive used in boat hulls

Question 17

What is Melamine wood

Answer 17

Less expensive alternative to wood, made up of core particle board or MDF bonded with melamine resin

Question 18

What are manufactured boards used for?

Answer 18

Kitchen cupboards, cabinets, counters, shelving

Question 19

Changes brought about by introduction of manufactured boards?

Answer 19

• Furniture manufacture became less labour intensive, therefore cheaper.
• Mass production of furniture increased
• CNC machines developed to facilitate mass production process.

Question 20

What is knock-down furniture?

Answer 20

Usually made from mass produced panels which can be assembled in various arrangements to create a range of different units.

Question 21

What is flat pack furniture?

Answer 21

A piece of furniture or equipment that is sold in pieces packed flat in a box for easy transport and assembled by the buyer.

Question 22

Compare furniture of the past to furniture of today

Answer 22

Furniture of past- handmade, intricate designs, expensive timber,
Furniture of today- made by machines, simple, cheap timber

Question 23

What is a cnc laser cutter

Answer 23

Cutting things controlled by a computer

Question 24

What is a cnc router?

Answer 24

Similar to manual router, designed by computer, sent to router for hard copy with precision and accuracy in cuts.

Question 25

Use of Butt Hinge

Answer 25

Traditional cabinet door hinges, mainly used on cabinets. Shows only knuckle of hinge when door is shut

Question 26

Use of recessed hinge

Answer 26

Used in similar situations to butt hinge except not let into door carcass. One leaf fits into recess of other leaf when door is closed

Question 27

Use of flap hinge

Answer 27

Open 180* used where door or flap opens into horizontal position.

Question 28

Use of continuous or piano hinge

Answer 28

Screwed in along full length, used in situation where butt hinge not provide sufficient strength

Question 29

Use of reflex hinge

Answer 29

Used where opening angle more than 180* is required.

Question 30

Use of concealed hinge

Answer 30

Most common cabinet hinge, many different types and opening angles

Question 31

Use of d handle

Answer 31

Used on cupboard doors and drawers

Question 32

Use of knob

Answer 32

Used on drawers as well as doors

Question 33

Use of flush pull

Answer 33

Designed for sliding doors, let in flush with surface of drawer

Question 34

Part of catches

Answer 34

Striker- fitted to door | Retainer- fitted to inside of carcase or under side of shelf

Question 35

Use of ball catch

Answer 35

Available as single or twin ball catch, retaining pressure adjustable

Question 36

Use of magnetic catch

Answer 36

Generally made from plastic with steel plate attached to striker and rigid magnet attached to retainer

Question 37

Single extending draw runner

Answer 37

Do not extend full depth of drawer

Question 38

Fully extending drawer runner

Answer 38

Have an extra telescopic extension allows drawer to extend

Question 39

Issues with forest clearing

Answer 39

Forests produce oxygen we breathe as leaves absorb CO2 Destruction natural habitat for animals Land degradation and erosion Climate Change

Question 40

Environmental Impacts- Manufacturing

Answer 40

Cost of material will increase, reduction in supplies Supply of materials need to be managed well Imported timbers can be cheaper not good for local economy Improve milling and selection techniques reduced waste

Question 41

Environmental Impacts- Timber

Answer 41

Reforestation- continued replanting of forest Plantation Farming- farming of trees as long term commercial crop

Question 42

Environmental impacts- individual

Answer 42

Air quality Noise Pollution Industrial Waste

Question 43

Factors affecting quality of assembly

Answer 43

Quality of the Work Working Time Efficiency

Question 44

What Face marks should be used

Answer 44

Face edge- outer side of project | Face side and edge marks- two best surfaces

Question 45

Working time of PVA glue

Answer 45

10 minutes

Question 46

Why dies end grain require two coats of wood

Answer 46

First coat absorbed leaving little at contact surface for adhesion

Question 47

What position are the rails when cramping

Answer 47

Should be parallel to rails. Waste blocks used to protect edges

Question 48

When apply clamps

Answer 48

Keep things flat two underside one upper of not pressure might cause boards to bow upwards

Question 49

Ways of checking a job is square

Answer 49

Testing with try square | Diagonals, regular frames / carcases

Question 50

What is wind

Answer 50

Wind refers to the flatness of a board or frame

Question 51

If a frame is in wind, it means

Answer 51

Surfaces are twisted, sometimes due to seasoning process