Polymer Technology Addition polymerisation takes place either by a free radical mechanism or ionic machanism depending on the reagents used. Free radical polymerisation is catelyzed by __________ , which decompose to give free radicals. Hydroflouric acid None of these Organic peroxides Sulphuric acid Hydroflouric acid None of these Organic peroxides Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Acrylonitrile-butadiene-styrene (ABS) copolymer, which is produced by blending styrene-acrylonitfile copolymer with butadiene based elastomer, is a/an Engineering plastic Rigid foam Spongy rubber Thermosetting polymer Engineering plastic Rigid foam Spongy rubber Thermosetting polymer ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology 90% of the caprolactum is converted to nylon-6 on its condensation polymerisation in the reactor maintained at a temperature of __________ °C. 250-280 -5 500-600 10-30 250-280 -5 500-600 10-30 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The starting material used for the manufacture of caprolactum is DMT Ethyl benzene Ethylene glycol Cyclohexane DMT Ethyl benzene Ethylene glycol Cyclohexane ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a thermoplastic material? PVC Epoxy polymer Polystyrene Polythene PVC Epoxy polymer Polystyrene Polythene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not an elastomer? Polyisoprene None of these Nitrile-butadiene Neoprene Polyisoprene None of these Nitrile-butadiene Neoprene ANSWER DOWNLOAD EXAMIANS APP
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