111. Neoprene is chemically known as
polybutandiene
styrene butadiene rubber (SBR)
polyurethane
poly chloroprene
✅ The correct answer is option D.
Polymer Technology MCQs
112. Temperature and gage pressure maintained during the manufacture of cold SBR (styrene butadiene rubber) are
5°C and 1 kgf/cm2.
– 20°C and 1 kgf/cm2.
0°C and 1 kgf/cm2.
0°C and 3 kgf/cm2.
✅ The correct answer is option A.
113. __________ are produced by reacting polybasic acid (e.g. phthalic anhydride) with polyhydric alcohol (e.g., glycerol).
Unsaturated polyester
Alkyd resins
Saturated polyester
Amino resins
✅ The correct answer is option B.
114. Adipic acid is an intermediate in the manufacture of
perspex
nylon-66
polystyrene
bakelite
✅ The correct answer is option B.
115. Which of the following is not a thermoplastic material ?
Epoxy polymer
PVC
Polystyrene
Polythene
✅ The correct answer is option A.
116. Orlan fibre which is used as a wool sub stitute is
an amorphous polymer.
a natural polymeric fibre.
polyacrylonitrile.
polymethylmethacrylate (PMMA).
✅ The correct answer is option C.
117. Maximum consumption of polymers is in
electrical insulation
toys making
coating and films
packaging
✅ The correct answer is option C.
118. Which of the following rubbers has the widest service temperature range (-75 to 275°C) ?
Butyl rubber
Silicon rubber
Nitrile rubber
Silicone rubber
✅ The correct answer is option D.
119. Polyvinyl alcohol is used as a
cation/anion exchanger.
water soluble adhesive.
textile fibre.
non-sticky coating on frying pans.
✅ The correct answer is option B.
120. Acrilan fibres used for making cloth, carpet & blankets, which is a hard, horny & high melting polymeric material is nothing but
polyacrylonitrile
polyamide
saturated polyester
alkyd resin
✅ The correct answer is option A.