Polymer Technology Plexiglass (also called lucite) because of its high optical transparency is used for making lenses. It is chemically Phenolic resins Polycarbonates Polymethyl methacrylate (PMMA) Polytetraflouroethylene(PTFE) Phenolic resins Polycarbonates Polymethyl methacrylate (PMMA) Polytetraflouroethylene(PTFE) ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermosetting polymers as compared to thermoplastic polymers Have linear structure Are formed by addition polymerisation Have three dimensional structure None of these Have linear structure Are formed by addition polymerisation Have three dimensional structure None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Reaction of dimethyl terephthalate (DMT) and ethylene glycol produces PVC Polyester Dacron Nylon-6 PVC Polyester Dacron Nylon-6 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a polyolefin? Polypropylene Neoprene None of these Polystyrene Polypropylene Neoprene None of these Polystyrene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Condensation polymerisation of formaldehyde with __________ does not produce phenolic resin. Resorcinol Para-cresol Melamine Phenol Resorcinol Para-cresol Melamine Phenol ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Unbreakable crockeries are made from __________ polymers. Polyurathane Polystyrene Polystyrene Melamine Polyurathane Polystyrene Polystyrene Melamine ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS