Materials are chosen based on factors including working properties, aesthetics, environmental impact, function, manufacturing processes etc. It is important to choose a material fit for purpose.
What does it mean if a polymer is classified as synthetic?
It is derived from a natural source such as plants
It will decompose naturally
It is chemically engineered
Polyethylene terephthalate (PET) is commonly used to make what everyday object?
When marking out on the surface of a polymer, which is the preferred method?
Dry wipe marker
When injection moulding, how is the polymer moved along the heating chamber?
By an Archimedean screw
By a hopper
By the heater
What makes a vinyl cutter suitable for making long signs?
Because the cutter moves along a vector path
Because the vinyl cutter is computer controlled
Because the vinyl is on a long roll
What is fractional distillation?
The way oil is obtained from the surface of the earth
The way oil is heated to break it down to obtain different materials
The way monomers are produced from oil
How is polythene produced?
By the polymerisation of the monomer ethene
By the polymerisation of the monomer propylene
By the polymerisation of the monomer styrene
What are electrical plug sockets made from?
What is a former?
A hollow shape produced on a vacuum former
A rigid shape that is used so other materials take its form
A hollow cavity where molten material can be formed
When shaping acrylic by hand, which is the correct order for the process?
Saw, file, abrasive, buff
Saw, abrasive, buff, file
Saw, file, buff, abrasive