Plastic Manufacturing and Processes Quiz 2

Which of the following is commonly used in schools for vacuum forming?

• Melamine (MF)

• HIPS

• Polyester

• PVC

Thermosetting materials are...

• The plastics which can be softened even after they have set and hardened

• The plastics which require heat and pressure to mould them into shape

• Both a and b

• None of the above

Plastics which soften when heat is applied with or without pressure, but requires cooling to set them to shape are called as...

• Thermosofting Materials

• Thermosetting Materials

• Thermoplastic Materials

• Thermostatting Materials

Which of the follow is the production where many items of the same product are produced?

• Prototyping

• Mass Production

• Batch Production

• Continuous Production

Which saws are commonly used for cutting plastics? Check all that apply:

• Fretsaw

• Coping Saw

• Hacksaw

• Tenon saw

True or False - Files can be bought in a variety of shapes and sizes?

• True

• False

Which of the following processes can be used to cut plastic sheets?

• Vacuum Forming

• Injection Moulding

• Line Bending

• Laser Cutting

Acrylic needs to be heated to between which temperatures to bend without breaking?

• 150 - 170

• 180 - 200

• 100 - 150

• 200 - 230

Which process can be used for making moulds and housing for electronic products?

• Injection Moulding

• Laser Cutting

• Vacuum Forming

• Line Bending

True or False - High Impact Polystyrene (HIPS) is often the material used in vacuum forming.

• True

• False