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. Organic peroxides None of these Hydroflouric acid Sulphuric acid Organic peroxides None of these Hydroflouric acid Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polystyrene is a __________ plastic at room temperature. Brittle Ductile Malleable None of these Brittle Ductile Malleable None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Silicone resins, which are highly water repellant and has good heat resistance can not be used As grease & lubricant As room temperature adhesive Hydraulic fluid for heat transfer Resin for lamination As grease & lubricant As room temperature adhesive Hydraulic fluid for heat transfer Resin for lamination ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ scrap can be recycled & reutilised. Bakelite Epoxy resin Polythene None of these Bakelite Epoxy resin Polythene None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a natural fibre? Silk Wool Viscose rayon Cotton Silk Wool Viscose rayon Cotton ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermosetting polymers as compared to thermoplastic polymers None of these Have three dimensional structure Have linear structure Are formed by addition polymerisation None of these Have three dimensional structure Have linear structure Are formed by addition polymerisation ANSWER DOWNLOAD EXAMIANS APP
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