Commercial Processes - Polymers Quiz

What is a polymer?

• A small molecule formed from many identical smaller molecules

• A large molecule formed from many identical smaller molecules

• A large molecule formed from different smaller molecules

• A small molecule formed from different smaller molecules

What is the primary raw material used to manufacture most polymers?

• Renewable crude oil

• Non-renewable crude oil

• Coal

• Natural gas

Which process involves molten material being forced into a mould?

• Extrusion

• Compression moulding

• Injection moulding

• Blow moulding

What is the function of the hydraulic ram in the injection moulding process?

• To rotate the Archimedean screw

• To cool the mould

• To heat the polymer

• To ensure just enough material is injected into the mould

Which of the following is a common product made using extrusion?

• Plastic bottles

• Plastic bags

• Plastic pipes

• Plastic toys