Materials
Multiple-choice exercise
Choose the correct answer for each question.
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Which of these plastics is a themoplastic - melts or softens with heat.
- Epoxy resin
- Polyester resin
- Melamine
- Bakelite
- Acrylic
Which of these materials is an alloy of copper and tin?
- Solder
- Pewter
- Bronze
- Amalgam
- Brass
Which of the following is a ferrous metal?
- Copper
- Stainless steel.
- Brass.
- Aluminium
- Bronze
Which of the following materials rusts?
- Lead
- Copper
- Steel
- Aluminium
- Stainless steel
Which of these materials is the strongest?
- Chipboard
- Blockboard
- MDF
- Plywood
- Pine
Which of the following is a soft wood?
- Pine
- Jelutong
- Beech
- Oak
- Mahogany.
Which of these is a thermoset - can not be reformed once it has been moulded or SET.
- Melamine
- Polypropylene.
- Polyester (PET)
- PVC (poly vinyl chloride)
- Nylon
What is a common use for polythene?
- Clothes pegs
- Carrier Bags
- Yoghurt pots
- Windows
- Plastic knives ,forks and spoons.