Polymer Technology MCQs with answers Page - 7

Here, you will find a collection of MCQ questions on Polymer Technology. Go through these questions to enhance your preparation for upcoming examinations and interviews.

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A

Admin • 828.03K Points
Coach

Q. Reaction of dimethyl terephthalate (DMT) and ethylene glycol produces

  • (A) Nylon-6
  • (B) Dacron
  • (C) Polyester
  • (D) PVC

A

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Q. Polystyrene is a __________ plastic at room temperature.

  • (A) Ductile
  • (B) Brittle
  • (C) Malleable
  • (D) None of these

A

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Q. __________ is a thermosetting plastic.

  • (A) PVC
  • (B) Polythene
  • (C) Bakelite
  • (D) Polystyrene

A

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Q. Condensation polymerisation of caprolac-tum is carried out in the reactor maintained at a temperature of __________ °C for producing nylon-6.

  • (A) -20 to 25
  • (B) 50 to 75
  • (C) 100 to 150
  • (D) 250 to 280

A

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Q. __________ is an addition polymer.

  • (A) Nylon
  • (B) Bakelite
  • (C) Polythene
  • (D) None of these

A

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Q. The synthetic fibres produced from __________ are known as rayon.

  • (A) Lignin
  • (B) Cellulose
  • (C) Polyamides
  • (D) Ethylene glycol

A

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Q. __________ is a natural fibre.

  • (A) Cellulose
  • (B) Dacron
  • (C) Nylon-6
  • (D) None of these

A

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Q. Plasticisers are added to synthetic plastics to

  • (A) Impart flexibility
  • (B) Improve workability during fabrication
  • (C) Develop new improved properties not present in the original resin
  • (D) All of the above

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Q. Plexiglass (also called lucite) because of its high optical transparency is used for making lenses. It is chemically

  • (A) Polymethyl methacrylate (PMMA)
  • (B) Polytetraflouroethylene(PTFE)
  • (C) Polycarbonates
  • (D) Phenolic resins

A

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Q. Benzoyl chloride is not used as a catalyst in the manufacture of

  • (A) Polystyrene
  • (B) Polyvinyl acetate
  • (C) Polypropylene
  • (D) Polyvinyl chloride-co-vinylacetate

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