61. Which of the following is not the commercial name of polymethylmethacrylate (PMMA) ?
Perspex
Lucite
Plexiglass
Teflon
✅ The correct answer is option D.
Polymer Technology MCQs
62. Main constituent of natural rubber is
polystyrene
polyisoprene
polybutadiene
poly chloroprene
✅ The correct answer is option B.
63. Density of low density polythene is about __________ gm/c.c.
0.38
0.56
0.81
0.91
✅ The correct answer is option D.
64. Which of the following is generally not drawn into fibre ?
Polyamide
Unsaturated polyesters
Saturated polyesters
Polyacrylonitrile
✅ The correct answer is option B.
65. Unbreakable crockeries are made from __________ polymers.
polystyrene
melamine
polystyrene
polyurathane
✅ The correct answer is option B.
66. Terylene is
same as dacron
a polyester
both(a) & (b)
neither (a) nor (b)
✅ The correct answer is option C.
67. Phthalic anhydride is used
in making PVC
as plasticisers
in insecticides manufacture
for making nylon-6
✅ The correct answer is option B.
68. Polymers are
micromolecules
macromolecules
sub-micromolecules
none of these
✅ The correct answer is option B.
69. Nylon 6, 10 which is used for bristles making is superior to nylon 6, 6 due to its lower water absorption capacity, is a/an
polyester
polyamide
polyisoprene
polystyrene
✅ The correct answer is option B.