Polymer Technology The rate controlling step in the manufacture of silicone rubber is the Polymer termination step Initial hydrolysis of silicone monomer Condensation of siloxane to silicone None of these Polymer termination step Initial hydrolysis of silicone monomer Condensation of siloxane to silicone None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Neoprene is rendered non-inflammable, because of The presence of chlorine atoms in its monomer The absence of chlorine atoms in its monomer Its linear chain structure Its cross-linked structure The presence of chlorine atoms in its monomer The absence of chlorine atoms in its monomer Its linear chain structure Its cross-linked structure ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ polythene is most prone to stress-cracking Cross-linked High density Low density Linear low density Cross-linked High density Low density Linear low density ANSWER DOWNLOAD EXAMIANS APP
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. None of these Sulphuric acid Hydroflouric acid Organic peroxides None of these Sulphuric acid Hydroflouric acid Organic peroxides ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is a polymer of hexamethylene diamine and adipic acid? Nylon-66 Nylon-6, 10 Nylon-6 Epoxy resin Nylon-66 Nylon-6, 10 Nylon-6 Epoxy resin ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following polymers are produced by employing all bulk polymerisation, solution polymerisation & suspension polymerisation technique of addition (chain) polymerisation? Epoxy resin Bakelite PVC PTFE Epoxy resin Bakelite PVC PTFE ANSWER DOWNLOAD EXAMIANS APP
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