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Polymer Technology
Comments
Question
The monomer of poly vinyl chloride (PVC) is
Options
A. chloroethene
B. ethylene dichloride
C. ethyl chloride
D. chloroform
Correct Answer
chloroethene
Polymer Technology problems
Search Results
1. Neoprene is chemically known as
Options
A. polybutandiene
B. styrene butadiene rubber (SBR)
C. polyurethane
D. poly chloroprene
Show Answer
Scratch Pad
Discuss
Correct Answer: poly chloroprene
2. Reaction of dimethyl terephthalate (DMT) and ethylene glycol produces
Options
A. nylon-6
B. dacron
C. polyester
D. PVC
Show Answer
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Discuss
Correct Answer: dacron
3. __________ resins are produced by the condensation polymerisation of formaldehyde with urea or melamine.
Options
A. Epoxy
B. Amino
C. Alkyd
D. Phenolic
Show Answer
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Discuss
Correct Answer: Amino
4. Polymethyl methacrylate (PMMA) is known as
Options
A. bakelite
B. teflon
C. perspex
D. nylon-6
Show Answer
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Discuss
Correct Answer: perspex
5. Neoprene is the trade name of
Options
A. polyurethane
B. phenol formaldehyde
C. polychlorophrene
D. styrene butadiene rubber (SBR)
Show Answer
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Discuss
Correct Answer: polychlorophrene
6. Celluloid is
Options
A. cellulose acetate
B. regenerated cellulose
C. cellulose nitrate
D. cellulose acetate butyrate
Show Answer
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Discuss
Correct Answer: cellulose nitrate
7. Plasticisers are added to synthetic plastics to
Options
A. impart flexibility.
B. improve workability during fabrication.
C. develop new improved properties not present in the original resin.
D. all (a), (b) and (c).
Show Answer
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Correct Answer: all (a), (b) and (c).
8. Which of the following polymers has the tendency of decomposing before melting?
Options
A. Polystyrene
B. Nylon
C. PVC
D. None of these
Show Answer
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Discuss
Correct Answer: PVC
9. The main use of butadiene is
Options
A. as a plasticiser for unsaturated polyester.
B. in the manufacture of synthetic rubber.
C. as an anti-skimming agent in paint.
D. none of these.
Show Answer
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Correct Answer: in the manufacture of synthetic rubber.
10. Nitrile rubber is produced by the polymerisation of
Options
A. acrylonitrile & butadiene.
B. acrylonitrile & styrene.
C. isobutylene & isoprene.
D. none of these.
Show Answer
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Correct Answer: acrylonitrile & butadiene.
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