Polymer Technology Polymethyl methacrylate, which is an acrylic resin, is also called Dacron Plexiglass or lucite Thiokol Teflon Dacron Plexiglass or lucite Thiokol Teflon ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Low pressure Zeigler process of polythene manufacture Employs a pressure of 30 kgf/cm² Achieves an yield of 95-98% based on ethylene Does not use any catalyst for polymerisation Produces very low density polythene Employs a pressure of 30 kgf/cm² Achieves an yield of 95-98% based on ethylene Does not use any catalyst for polymerisation Produces very low density polythene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Ebonite is a/an Natural rubber Adhesive Unvulcanised raw rubber Highly vulcanised rubber Natural rubber Adhesive Unvulcanised raw rubber Highly vulcanised rubber ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Dacron (or terylene) fibres as compared to nylon fibres have All of these Poorer dyeability Poorer resistance to alkalis Better heat & acid resistant properties All of these Poorer dyeability Poorer resistance to alkalis Better heat & acid resistant properties ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following rubbers has the widest service temperature range (-75 to 275°C) ? Silicone rubber Silicon rubber Nitrile rubber Butyl rubber Silicone rubber Silicon rubber Nitrile rubber Butyl rubber ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Plastic articles are normally produced by __________ moulding. Dry sand Shell Injection Green sand Dry sand Shell Injection Green sand ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS