Rotational Moulding Quiz

What is rotational moulding ideal for making?

• Metal parts

• Solid products

• Hollow products

• Small items

What is NOT involved in rotational moulding?

• Rotation

• Pressure

• Plastic powder

• Heat

Why are moulds for rotational moulding relatively inexpensive?

• They do not have to withstand pressure

• They are small in size

• They are made from cheap materials

• They are reusable

What is placed into a mould in rotational moulding?

• Plastic sheets

• Plastic pellets

• Plastic powder

• Liquid plastic

How are the moulds moved during the process?

• Rotated around a single axis

• Rotated around two different axes

• Shaken vigorously

• Not moved at all

What happens to the plastic during the moulding process?

• It dissolves

• It expands

• It melts and flows around the mould

• It hardens immediately

What kind of products can be made using rotational moulding?

• Food items

• Clothing

• Hollow products like tanks and kayaks

• Electronics

What is a characteristic feature of products made by rotational moulding?

• They are very heavy

• They are made of metal

• They have a hollow centre

• They are always transparent

What might indicate a product was made using rotational moulding?

• Metallic coating

• Sharp edges

• A parting line

• A smooth surface

What does the presence of a parting line on a product indicate?

• It indicates the product is very old

• It is a design feature

• It is a defect

• It is where the two halves of the mould meet