281. Celluloid is
cellulose acetate
regenerated cellulose
cellulose nitrate
cellulose acetate butyrate
✅ The correct answer is option C.
Polymer Technology MCQs
282. Addition of stabiliser during PVC manufacture is done to
improve its impact strength.
improve its elasticity.
reduce the melt viscosity & glass transition temperature.
prevent its thermal degradation.
✅ The correct answer is option D.
283. Acrylonitrile-butadiene-styrene (ABS) copolymer, which is produced by blending styrene-acrylonitfile copolymer with butadiene based elastomer, is a/an
rigid foam
engineering plastic
thermosetting polymer
spongy rubber
✅ The correct answer is option B.
284. Molecular weight of polymers are in the range of
10 to 103
102-107
107-109
109-1011
✅ The correct answer is option B.