Materials. 1 Which of the following is a soft wood? 1. Mahogany. 2. Jelutong 3. Oak 4. Beech 5....

Materials

1

Which of the following is a soft wood?

1. Mahogany. 2. Jelutong 3. Oak 4. Beech 5. Pine

2 Which of these materials is an alloy

of copper and tin? 1. Pewter 2. Brass 3. Amalgam 4. Bronze 5. Solder

3

Which of the following materials rusts?

1. Copper 2. Stainless steel 3. Aluminium 4. Lead 5. Steel

4 Which of these plastics is a

themoplastic - melts or softens with heat.

1. Acrylic 2. Melamine 3. Bakelite 4. Epoxy resin 5. Polyester resin

5

Which of the following is a ferrous metal?

1. Stainless steel. 2. Aluminium 3. Copper 4. Brass. 5. Bronze

6 Which of these materials is the

strongest?

1. MDF 2. Blockboard 3. Plywood 4. Pine 5. Chipboard

7 Which of these is a thermoset - can not be

reformed once it has been moulded or SET.

1. Polyester (PET) 2. Nylon 3. Polypropylene. 4. Melamine 5. PVC (poly vinyl chloride)

8

What is a common use for polythene?

1. Carrier Bags 2. Clothes pegs 3. Plastic knives ,forks and spoons. 4. Yoghurt pots 5. Windows

Answers…