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Polymer Technology
Comments
Question
Which of the following is a natural polyamide fibre.
Options
A. Wool
B. Silk
C. Cotton
D. None of these
Correct Answer
Wool
Polymer Technology problems
Search Results
1. Phenol formaldehyde is produced by condensation polymerisation. It is also known as
Options
A. teflon
B. bakelite
C. polyester
D. nylon-66
Show Answer
Scratch Pad
Discuss
Correct Answer: bakelite
2. Polycaprolactum is nothing but
Options
A. orlon
B. nylon 6, 6
C. nylon 6
D. saran
Show Answer
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Discuss
Correct Answer: nylon 6
3. Rayon is superior to cotton in making gauge for wound treatment, because rayon
Options
A. is a synthetic polymer.
B. does not stick to the wound unlike cotton.
C. can absorb over 90% of its own weight of water.
D. both (b) and (c).
Show Answer
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Discuss
Correct Answer: does not stick to the wound unlike cotton.
4. Maximum consumption of polymers is in
Options
A. electrical insulation
B. toys making
C. coating and films
D. packaging
Show Answer
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Discuss
Correct Answer: coating and films
5. Cellulose acetate has very high film permeability among all the polymers of the order of 5000 gm/100 m
2
. Which of the following polymers has the maximum film elongation (of the order of 100%)?
Options
A. Water impermeable cellophane
B. Polythene
C. Cellulose acetate
D. Teflon
Show Answer
Scratch Pad
Discuss
Correct Answer: Polythene
6. Most commonly used rubber vulcanisation agent is
Options
A. sulphur
B. bromine
C. platinum
D. alumina
Show Answer
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Discuss
Correct Answer: sulphur
7. Most of the plastics are safe to be used upto a maximum temperature of __________ °C.
Options
A. 100
B. 150
C. 350
D. 450
Show Answer
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Discuss
Correct Answer: 150
8. __________ is a thermosetting plastic.
Options
A. PVC
B. Polythene
C. Bakelite
D. polystyrene
Show Answer
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Discuss
Correct Answer: Bakelite
9. Buna-N is also called
Options
A. butyl rubber
B. nitrile rubber
C. neoprene
D. thiokol
Show Answer
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Discuss
Correct Answer: nitrile rubber
10. __________ is a natural fibre.
Options
A. Cellulose
B. Dacron
C. Nylon-6
D. none of these
Show Answer
Scratch Pad
Discuss
Correct Answer: Cellulose
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