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 Hydroflouric acid Sulphuric acid None of these Organic peroxides Hydroflouric acid Sulphuric acid None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Temperature maintained in the emulsion polymerisation reactor for PVC manufacture is about __________ ° C. -20 250 500 50 -20 250 500 50 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Main constituent of cotton fibre is Starch Cellulose Lignin Gelatine Starch Cellulose Lignin Gelatine ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Buna-S is a __________ material. Resinous Rubbery Fibrous Plastic Resinous Rubbery Fibrous Plastic ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermosetting polymers as compared to thermoplastic polymers Are formed by addition polymerisation None of these Have linear structure Have three dimensional structure Are formed by addition polymerisation None of these Have linear structure Have three dimensional structure ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Buna-S is also called Teflon Bakelite Polyurathane SBR Teflon Bakelite Polyurathane SBR ANSWER DOWNLOAD EXAMIANS APP
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