Podcast
Questions and Answers
Which thermoplastic material is known for being resistant to chemicals, ultraviolet light, impact, and abrasion?
Which thermoplastic material is known for being resistant to chemicals, ultraviolet light, impact, and abrasion?
- Nylon (correct)
- Epoxy resin
- Polyester
- Polypropylene
What type of polymer is polyethylene terephthalate (PET or PETE)?
What type of polymer is polyethylene terephthalate (PET or PETE)?
- Thermoset
- Vinyl
- Thermoplastic (correct)
- Elastomer
Which of the following synthetic materials tends to shrink away from flames and self-extinguish?
Which of the following synthetic materials tends to shrink away from flames and self-extinguish?
- Polyester (correct)
- Polypropylene
- Epoxy resin
- Silicone
What is the main characteristic of elastomers that allows them to recover when the load is removed?
What is the main characteristic of elastomers that allows them to recover when the load is removed?
Which thermoset plastic is commonly used as an adhesive or in composite materials?
Which thermoset plastic is commonly used as an adhesive or in composite materials?
What characteristic makes polypropylene useful for small components like chair casters and rollers?
What characteristic makes polypropylene useful for small components like chair casters and rollers?
What effect does lowering the melting temperature of a plastic have on the molecular chain?
What effect does lowering the melting temperature of a plastic have on the molecular chain?
At what temperature does a plastic solidify at its melting-point temperature?
At what temperature does a plastic solidify at its melting-point temperature?
What effect do plasticizers have when added to plastics that have been lowered to a brittle state?
What effect do plasticizers have when added to plastics that have been lowered to a brittle state?
In which environment are plastic wastes commonly found?
In which environment are plastic wastes commonly found?
What is a characteristic of bioplastics in terms of breakdown?
What is a characteristic of bioplastics in terms of breakdown?
What is one advantage of recycling plastics into products like outdoor furniture and floor tiles?
What is one advantage of recycling plastics into products like outdoor furniture and floor tiles?
What is a major VOC irritant often found in synthetic materials?
What is a major VOC irritant often found in synthetic materials?
Which type of plastic becomes soft when heated and can be remolded?
Which type of plastic becomes soft when heated and can be remolded?
What type of plastic has cross-linked molecular chains that reduce its flexibility?
What type of plastic has cross-linked molecular chains that reduce its flexibility?
Which synthetic material is very clear, hard, lightweight, and chemical- and weather-resistant?
Which synthetic material is very clear, hard, lightweight, and chemical- and weather-resistant?
What gives thermoplastics their flexibility?
What gives thermoplastics their flexibility?
Which type of material is becoming more readily available as an alternative to formaldehyde-containing materials?
Which type of material is becoming more readily available as an alternative to formaldehyde-containing materials?
