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Polymer Technology
Comments
Question
Synthetic polymer produced by using terephthalic acid and ethylene glycol is
Options
A. terylene
B. nylon-66
C. PVC
D. polyesterene
Correct Answer
terylene
Polymer Technology problems
Search Results
1. Polyvinyl chloride (PVC) is
Options
A. a thermosetting material.
B. a condensation polymerisation product.
C. made by employing emulsion polymerisation.
D. none of these.
Show Answer
Scratch Pad
Discuss
Correct Answer: made by employing emulsion polymerisation.
2. Ebonite is a/an
Options
A. highly vulcanised rubber.
B. natural rubber.
C. unvulcanised raw rubber.
D. adhesive.
Show Answer
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Discuss
Correct Answer: highly vulcanised rubber.
3. Polymerisation process in which two or more monomers of chemically different nature take part is called
Options
A. copolymerisation
B. addition polymerisation
C. chain polymerisation
D. none of these
Show Answer
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Discuss
Correct Answer: copolymerisation
4. The conversion of caprolactum in the above case is about __________ percent.
Options
A. 25
B. 50
C. 70
D. 90
Show Answer
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Discuss
Correct Answer: 90
5. Polymerisation product of C
2
F
4
(carbon tetraflouride) is called P.T.F.E. (poly chloro tetra flouro ethylene). It is also called
Options
A. polyurethane
B. silicone rubber
C. teflon
D. epoxy resin
Show Answer
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Discuss
Correct Answer: teflon
6. Flexible plastic pipes are made of
Options
A. high density polyethylene (HDPE).
B. low density polyethylene (LDPE).
C. polypropylene.
D. unsaturated polyester.
Show Answer
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Discuss
Correct Answer: low density polyethylene (LDPE).
7. Epoxy resin is
Options
A. not used for surface coating.
B. a good abrasive.
C. an elastomer.
D. a polyester.
Show Answer
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Discuss
Correct Answer: a good abrasive.
8. Which of the following polymers is used for making a non stick coating on frying pans?
Options
A. Bakelite
B. Teflon
C. Perspex
D. PVC
Show Answer
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Discuss
Correct Answer: Teflon
9. __________ scrap can be recycled & reutilised.
Options
A. Bakelite
B. Epoxy resin
C. Polythene
D. none of these
Show Answer
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Discuss
Correct Answer: Polythene
10. Main constituent of natural rubber is
Options
A. polystyrene
B. polyisoprene
C. polybutadiene
D. poly chloroprene
Show Answer
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Discuss
Correct Answer: polyisoprene
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