Higher Design: Understanding Industrial Manufacture

In what forms are plastics usually supplied for processing?

• Sheets and blocks

• Moulding powder, granules, or chips

• Liquids and gels

• Fibers and threads

What is the purpose of using additives in plastic processing?

• To increase the weight

• To change the color

• To transform base plastics into a wide range of versatile materials

• To make them biodegradable

What is the shape of the component extracted from the mould?

• Random shape

• Exact shape of the cavity

• Cylindrical

• Spherical

Which material is NOT typically used in Injection Moulding?

• Polyamide (Nylon)

• Polypropylene (PP)

• Polystyrene

• Steel

What is the purpose of webs in Injection Moulding?

• Decoration

• Insulation

• Strength

• Weight reduction

What is a typical product produced using Injection Moulding?

• Safety helmets

• Wool sweaters

• Stone sculptures

• Paper bags

Which of the following is a benefit of using compression moulding?

• It requires no heat

• It allows for complex shapes

• It is only suitable for metals

• It uses no pressure

What happens to the granules in the extrusion process?

• They are cooled

• They melt into a liquid

• They are compressed

• They are painted

What is the purpose of the die in the extrusion process?

• To heat the material

• To determine the shape

• To cool the material

• To feed the granules

What happens to the material after it is extruded?

• It is melted again

• It is cooled and solidified

• It is compressed

• It is painted