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 PVC PTFE Bakelite Epoxy resin PVC PTFE Bakelite ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology All thermoplastic, thermosetting & elastic materials can be processed in a extrusion machine, however it can not be used for the production of plastic Tubings Buckets Pipes Filaments Tubings Buckets Pipes Filaments ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Condensation polymerisation of __________ produces bakelite. Phenol & formaldehyde Phenol & acetaldehyde Propylene Urea & formaldehyde Phenol & formaldehyde Phenol & acetaldehyde Propylene Urea & formaldehyde ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following additives are added to plastics to make it impervious to X-rays? Phthalic acid Barium salt Carborundum Asbestos Phthalic acid Barium salt Carborundum Asbestos ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The process involved in converting rubber into a thin sheet or coating it on fabric is called Extrusion Calendering Mastication Vulcanisation Extrusion Calendering Mastication Vulcanisation ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Crystallisation of polymers is an undesirable property. Crystallisation of celluloid is prevented by adding Nitro cellulose Camphor Glycerol None of these Nitro cellulose Camphor Glycerol None of these ANSWER DOWNLOAD EXAMIANS APP