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 Dacron is a/an Inorganic polymer Polyamide Unsaturated polyester Polyester Inorganic polymer Polyamide Unsaturated polyester Polyester ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Starting material for the production of SBR is Ethyl alcohol Ethylene Neither A nor B Both A & B Ethyl alcohol Ethylene Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Most of the fibre forming polymers are crystalline in nature, one of the exceptions being __________ which is amorphous in nature. Nylon Polyacrylonitrile Polyester Polypropylene Nylon Polyacrylonitrile Polyester Polypropylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Addition of plasticisers to polymers results in partial neutralisation of intermolecular forces of attraction between the macro-molecules thereby increasing its Tensile strength All of these Flexibility Chemical resistance Tensile strength All of these Flexibility Chemical resistance ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermosetting polymers as compared to thermoplastic polymers Have linear structure None of these Have three dimensional structure Are formed by addition polymerisation Have linear structure None of these Have three dimensional structure Are formed by addition polymerisation ANSWER DOWNLOAD EXAMIANS APP
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