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- 1. Multiple Choice
A chain of repeating units (called monomers)
monomer
dimer
replicate
polymer
- 2. Multiple Choice
A polymer made in the laboratory (or industry) usually made from petrochemicals
nature polymer
natural polymer
protein
synthetic polymer
- 3. Multiple Choice
Once formed, it can be heated and reformed over and over again
thermoset
thermoplastic
elastomer
kevlar
- 4. Multiple Choice
Which of the following is a type of natural polymer?
Sodium Alginate
poly vinyl acetate
polystyrene
polytetrafluoroethylene
- 5. Multiple Choice
Which of the following determine the properties of a polymer?
chemical nature of the monomer
length of the polymer chain
how the monomers are joined together
All of the above
- 6. Multiple Choice
The birefringence effect that occurs when a polymer is viewed between two polarizing filters represents the _________________ regions of the polymer.
Crystalline
Amorphous
Cross-Linked
Branched
- 7. Multiple Choice
A thermoplastic polymer will be ______________________.
below its glass transition temperature.
soft and flexible
rigid and brittle
translucent
rubbery
- 8. Multiple Choice
Which of these is the best example of how the polymer molecules are arranged in Teflon tape?
none of the above
- 9. Multiple Choice
Polymers are huge chains of repeating organic units called ___
single cells
monomers
lone pairs
base units
- 10. Multiple Choice
A polymer that is irreversibly hardened by curing, like polyurethane or Bakelite, is called ___
reinforced
thermoplastic
thermoset
fortified
- 11. Multiple Choice
a polymer that is usually made by living things
nature polymer
natural polymer
protein
synthetic polymer
- 12. Multiple Choice
Synthetic polymers are made from:
Wood
Plastic
Trees
Fossil fuels
- 13. Multiple Choice
The process by which polymers and plastics are made is called… ?
Plastication
Polymerisation
Thermocation
Carbonification
- 14. Multiple Choice
Composites combined can have these properties
stiffness
conductivity
corrosion resistance
all of the above
- 15. Multiple Choice
Plastics are composites?
Obviously
Are you kidding, no
Perhaps, not all of them are
- 16. Multiple Choice
One disadvantage of Injection Molding is
Tooling Cost
Tight Tolerances
No post process needed
Low volumes
- 17. Multiple Choice
Engineering polymers are designed to
Improve strength
Decrease process cost
Be mass produced
All of the above
- 18. Multiple Choice
The addition of water is called...
Halogenation
Hydrogenation
Hydration
Dehydration
- 19. Multiple Choice
What are the benefits of hydrogenation?
Increases the melting point
Makes fats healthier
Adds more hydrogren
Decreases the melting point
- 20. Multiple ChoiceLarge molecules made up of smaller molecules.monomerpolymerhydrocarbonplastic
- 21. Multiple ChoicePolymers that have Carbon as their backbonemonomerpolymerorganicsynthetic
- 22. Multiple ChoicePolymers that a silicon or phosphorous backbone instead of carbonmonomersyntheticinorganicorganic
- 23. Multiple ChoiceType of polymers made in a laboratorymonomersyntheticinorganicorganic
- 24. Multiple ChoicePetroleum based productplasticsyntheticinorganicorganic
- 25. Multiple ChoiceRigid and very strong Polymer.LinearBranchedCross-LinkedThermoset
- Answer choicesTagsAnswer choicesTags