8: Making cars Flashcards
1
Q
What materials are used for different car parts?
A
Steel- car body Aluminium- engine block Copper- electrical wiring Glass- windows Plastic- bumpers and dashboard Fibres- carpet and seat fabric
2
Q
Why should Aluminium be used for the car body over steel?
A
lower density than steel which allows it to have a better fuel economy
does not corrode whereas steel rusts unless it is protected by paint
longer lifetime
HOWEVER
more expensive than steel
3
Q
Benefits of using plastic in cars
A
lightweight
cheap
strong
malleable
4
Q
What do the European Union Directive require car manufacturers to do?
A
- improve their designs to make cars easier to recycle
- avoid certain toxic materials
- aim for 95% of the cars weight to be recyclable
- also allow owners to have cars scrapped at no cost
