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Polymer Technology
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Question
Which of the following natural bio polymers are formed as a result of polymerisation of amino-acids?
Options
A. Starch
B. Cellulose
C. Proteins
D. Nucleic acids
Correct Answer
Proteins
Polymer Technology problems
Search Results
1. Polyhexamethylene adipimide is also known as
Options
A. bakelite
B. nylon-66
C. epoxy resin
D. silicone rubber
Show Answer
Scratch Pad
Discuss
Correct Answer: nylon-66
2. ? - glucose is the monomer of
Options
A. cellulose
B. starch
C. protein
D. none of these
Show Answer
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Discuss
Correct Answer: cellulose
3. Which of the following polymers shows the highest anti-tacking properties?
Options
A. Melamine formaldehyde resin
B. Phenolic resin
C. Epoxy resin
D. Alkyd resin
Show Answer
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Discuss
Correct Answer: Melamine formaldehyde resin
4. __________ is a copolymer.
Options
A. Nylon-66
B. Polyrophylene
C. PVC
D. Poly tetra flouro ethylene
Show Answer
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Discuss
Correct Answer: Nylon-66
5. Nylon-6 as compared to nylon-66 is
Options
A. harder.
B. more abrasion resistant.
C. having higher melting point.
D. none of these.
Show Answer
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Discuss
Correct Answer: none of these.
6. Which of the following is a polymer of hexamethylene diamine and adipic acid?
Options
A. Nylon-6
B. Nylon-66
C. Nylon-6, 10
D. Epoxy resin
Show Answer
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Discuss
Correct Answer: Nylon-66
7. Melamine formaldehyde resin which has a very high anti tacking properties, is not used for the
Options
A. electrical insulation purpose.
B. tanning of leather.
C. strengthening of plaster of paris.
D. decorative laminates.
Show Answer
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Discuss
Correct Answer: strengthening of plaster of paris.
8. Acrilan fibres used for making cloth, carpet & blankets, which is a hard, horny & high melting polymeric material is nothing but
Options
A. polyacrylonitrile
B. polyamide
C. saturated polyester
D. alkyd resin
Show Answer
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Discuss
Correct Answer: polyacrylonitrile
9. Scouring is a finishing operation during the manufacture of fibre, which aims at __________ of fibres.
Options
A. improving the stretchability
B. dyeing/colouring
C. detergent solution washing
D. glycol soaking
Show Answer
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Discuss
Correct Answer: detergent solution washing
10. The process involved in converting rubber into a thin sheet or coating it on fabric is called
Options
A. extrusion
B. mastication
C. calendering
D. vulcanisation
Show Answer
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Discuss
Correct Answer: calendering
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