Polymer Technology Which of the following polymers are produced by employing all bulk polymerisation, solution polymerisation & suspension polymerisation technique of addition (chain) polymerisation? PTFE PVC Bakelite Epoxy resin PTFE PVC Bakelite Epoxy resin ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ tubes are good substitude for human blood vessels onrheart by-pass operation. Polystyrene PVC Polythene Teflon/dacron Polystyrene PVC Polythene Teflon/dacron ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Low pressure Zeigler process of polythene manufacture Employs a pressure of 30 kgf/cm² Does not use any catalyst for polymerisation Produces very low density polythene Achieves an yield of 95-98% based on ethylene Employs a pressure of 30 kgf/cm² Does not use any catalyst for polymerisation Produces very low density polythene Achieves an yield of 95-98% based on ethylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The process involved in converting rubber into a thin sheet or coating it on fabric is called Mastication Extrusion Calendering Vulcanisation Mastication Extrusion Calendering Vulcanisation ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The conversion of caprolactum in the above case is about __________ percent. 70 25 90 50 70 25 90 50 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following rubbers has the widest service temperature range (-75 to 275°C) ? Butyl rubber Silicone rubber Silicon rubber Nitrile rubber Butyl rubber Silicone rubber Silicon rubber Nitrile rubber ANSWER DOWNLOAD EXAMIANS APP
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