Polymer Technology MCQs | Page - 10

Dear candidates you will find MCQ questions of Polymer Technology here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.

📊 Polymer Technology
Q. Cellulose acetate has very high film permeability among all the polymers of the order of 5000 gm/100 m2. Which of the following polymers has the maximum film elongation (of the order of 100%)?
  • (A) Water impermeable cellophane
  • (B) Polythene
  • (C) Cellulose acetate
  • (D) Teflon
💬 Discuss
✅ Correct Answer: (B) Polythene
📊 Polymer Technology
Q. Flexible foam (for mattresses) are usually made of
  • (A) PVC
  • (B) Silicone rubber
  • (C) Polyurethanes
  • (D) Polyamides
💬 Discuss
✅ Correct Answer: (C) Polyurethanes
📊 Polymer Technology
Q. Bakelite is
  • (A) Same as polytetra flouro ethylene (PTFE)
  • (B) An inorganic polymer
  • (C) Same as thermoset phenol formaldehyde
  • (D) Not a polymer
💬 Discuss
✅ Correct Answer: (C) Same as thermoset phenol formaldehyde
📊 Polymer Technology
Q. Bakelite is a/an
  • (A) Addition polymer
  • (B) Elastomer
  • (C) Thermoplastic
  • (D) None of these
💬 Discuss
✅ Correct Answer: (D) None of these
📊 Polymer Technology
Q. Thermocole is a spongy, porous, rigid or flexible foamed plastic, obtained by blowing gas/air through molten
  • (A) Saturated polyester
  • (B) Polyurathane
  • (C) Polystyrene
  • (D) Either B or C
💬 Discuss
✅ Correct Answer: (D) Either B or C
📊 Polymer Technology
Q. In case of wet spinning of polymers, the polymer solution is forced through spinnerates into, a coagulating bath to give a filament form. Wet spinning is not used in case of the __________ fibres.
  • (A) Viscose rayon
  • (B) Acrylic
  • (C) Polyvinyl acetate
  • (D) Saturated polyester
💬 Discuss
✅ Correct Answer: (D) Saturated polyester
📊 Polymer Technology
Q. Melt spinning of polymers involves the forcing of polymer melt through spinnerettes (fine holes) into an atmosphere kept at a temperature lower than the melting point of the polymer, which causes the fine diameter polymer melt to harden into filaments. Melt spinning is not used in case of the __________ fibres.
  • (A) Acrylic
  • (B) Polyester
  • (C) Polypropylene
  • (D) Nylon-66
💬 Discuss
✅ Correct Answer: (A) Acrylic

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