πŸ“Š Polymer Technology
Q. Identify the group in which all the polymers mentioned can be used to make fibres.
  • (A) Butadiene copolymers, Polyamides, Urea aldehyde
  • (B) Cellulose derivatives, Polyisoprene, Polyethylene
  • (C) Cellulose derivatives, Polyamides, Polyurathane
  • (D) Polypropylene, Poly vinyl chloride, Silicon
πŸ’¬ Discuss
βœ… Correct Answer: (B) Cellulose derivatives, Polyisoprene, Polyethylene
πŸ“Š Polymer Technology
Q. Acrylonitrile is mainly used in the __________ industry.
  • (A) Polymer
  • (B) Printing
  • (C) Dyeing
  • (D) Photographic
πŸ’¬ Discuss
βœ… Correct Answer: (A) Polymer
πŸ“Š Polymer Technology
Q. Neoprene is rendered non-inflammable, because of
  • (A) Its cross-linked structure
  • (B) Its linear chain structure
  • (C) The presence of chlorine atoms in its monomer
  • (D) The absence of chlorine atoms in its monomer
πŸ’¬ Discuss
βœ… Correct Answer: (C) The presence of chlorine atoms in its monomer
πŸ“Š Polymer Technology
Q. Molecular weights of plastics ranges from
  • (A) 1000 to 5000
  • (B) 5000 to 10000
  • (C) 20000 to 25000
  • (D) 106 to 109
πŸ’¬ Discuss
βœ… Correct Answer: (C) 20000 to 25000
πŸ“Š Polymer Technology
Q. Elastomers are
  • (A) Thermosetting material
  • (B) Exemplified by protein derivatives
  • (C) Having high flexural strength
  • (D) Having very high tensile strength and heat resistance
πŸ’¬ Discuss
βœ… Correct Answer: (C) Having high flexural strength
πŸ“Š Polymer Technology
Q. Non sulphonated hard bakelites are not used for making
  • (A) Ion-exchange resins
  • (B) Fountain pen barrels
  • (C) Formica table tops
  • (D) Combs
πŸ’¬ Discuss
βœ… Correct Answer: (A) Ion-exchange resins
πŸ“Š Polymer Technology
Q. Polyhexamethylene adipimide is also known as
  • (A) Bakelite
  • (B) Nylon-66
  • (C) Epoxy resin
  • (D) Silicone rubber
πŸ’¬ Discuss
βœ… Correct Answer: (B) Nylon-66
πŸ“Š Polymer Technology
Q. Polymerisation process in which two or more monomers of chemically different nature take part is called
  • (A) Copolymerisation
  • (B) Addition polymerisation
  • (C) Chain polymerisation
  • (D) None of these
πŸ’¬ Discuss
βœ… Correct Answer: (A) Copolymerisation
πŸ“Š Polymer Technology
Q. Cellulose is the main contituent of most __________ fibres.
  • (A) Acrylic
  • (B) Spandex
  • (C) Synthetic
  • (D) Natural
πŸ’¬ Discuss
βœ… Correct Answer: (D) Natural
πŸ“Š Polymer Technology
Q. Neoprene is chemically known as
  • (A) Polybutandiene
  • (B) Styrene butadiene rubber (SBR)
  • (C) Polyurethane
  • (D) Poly chloroprene
πŸ’¬ Discuss
βœ… Correct Answer: (D) Poly chloroprene

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