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Polymer Technology
Comments
Question
Dacron (or terylene) fibres as compared to nylon fibres have
Options
A. better heat & acid resistant properties.
B. poorer resistance to alkalis.
C. poorer dyeability.
D. all (a), (b) and (c).
Correct Answer
all (a), (b) and (c).
Polymer Technology problems
Search Results
1. The organic acid monomer in nylon 66 is
Options
A. sebasic acid
B. terephthalic acid
C. adipic acid
D. benzoic acid
Show Answer
Scratch Pad
Discuss
Correct Answer: adipic acid
2. SBR is produced by the copolymerisation of butadiene & styrene by employing emulsion polymerisation. The weight ratio of styrene and butadiene is maintained at
Options
A. 1:3
B. 3:1
C. 1:2
D. 2:1
Show Answer
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Discuss
Correct Answer: 1:3
3. Tubeless tyres are made of __________ rubber, which is a co-polymer of isoprene & isobutylene.
Options
A. nitrile
B. silicone
C. neoprene
D. butyl
Show Answer
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Discuss
Correct Answer: butyl
4. Dacron is a/an
Options
A. polyester
B. unsaturated polyester
C. polyamide
D. inorganic polymer
Show Answer
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Discuss
Correct Answer: polyester
5. Thiokol is nothing but
Options
A. polysulphide rubber
B. polyamide fibre
C. engineering plastic
D. exponded polystyrene
Show Answer
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Discuss
Correct Answer: polysulphide rubber
6. 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
7. 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
8. __________ 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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Correct Answer: Amino
9. 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
10. Neoprene is chemically known as
Options
A. polybutandiene
B. styrene butadiene rubber (SBR)
C. polyurethane
D. poly chloroprene
Show Answer
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Discuss
Correct Answer: poly chloroprene
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