Polymer Technology Plexiglass (also called lucite) because of its high optical transparency is used for making lenses. It is chemically Phenolic resins Polytetraflouroethylene(PTFE) Polymethyl methacrylate (PMMA) Polycarbonates Phenolic resins Polytetraflouroethylene(PTFE) Polymethyl methacrylate (PMMA) Polycarbonates ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymerisation process in which two or more monomers of chemically different nature take part is called Addition polymerisation None of these Chain polymerisation Copolymerisation Addition polymerisation None of these Chain polymerisation Copolymerisation ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cation exchange resins used in water treatment is made from __________ resin. Phenolic Urea formaldehyde Amino Epoxy Phenolic Urea formaldehyde Amino Epoxy ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Most commonly used rubber vulcanisation agent is Platinum Alumina Sulphur Bromine Platinum Alumina Sulphur Bromine ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is a copolymer? Bakelite PVC Teflon Polythene Bakelite PVC Teflon Polythene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ practically possess no elasticity. Spandex fibre Polysulphide rubber Vulcanite or ebonite Epoxy resin Spandex fibre Polysulphide rubber Vulcanite or ebonite Epoxy resin ANSWER DOWNLOAD EXAMIANS APP