Which of the following plastic resins cannot be used as food packaging? (there may be more than one correct answer)

In a semi-crystalline polymer, the melting point is greater than the glass transition temperature because _____________ .

Gel permeation chromatography (GPC) is used to measure polymer molecular weight. True or False: higher molecular weight polymer chains come out of the column first.

What parameter of the polymeric sample will you be trying to maximise?

What is the purpose of consulting an ASTM standard?

Which of the following describes how polymer samples will be fabricated in this practical?

Which of the following would be a sensible TOTAL length for your 3D printed polymer samples?

Which of the following items of PPE should be worn at some point during this practical?

Describe some hazards to be aware of when loading the polymer samples for tensile testing.

The tensometer (part of the tensile tester) measures sample extension. How might you calculate the strain if your sample has length L, width w and height/thickness h?