Polymer Technology Polymethyl methacrylate (PMMA) which is also known as perspex and is produced by bulk polymerisation of methyl methacrylate is not a __________ polymer. Glass like transparent Thermosetting Linear Thermoplastic Glass like transparent Thermosetting Linear Thermoplastic ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Styrene which is a monomer for the production of polystyrene, is commercially produced by the Catalytic dehydrogenation of ethyl benzene Dehydration of ethyl alcohol followed by hydrogenation Reacting ethylene oxide with acetal-dehyde Fermentation of starch Catalytic dehydrogenation of ethyl benzene Dehydration of ethyl alcohol followed by hydrogenation Reacting ethylene oxide with acetal-dehyde Fermentation of starch ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ polymer is produced by the copolymerisation of vinyl chloride-vinyl acetate. Fibrous Hard Leathery Rubbery Fibrous Hard Leathery Rubbery ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following natural bio polymers are formed as a result of polymerisation of amino-acids? Proteins Starch Nucleic acids Cellulose Proteins Starch Nucleic acids Cellulose ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In case of dry spinning of polymers, the polymer solution in a volatile solvent is forced through the spinnerates into a warm air chamber, where the solvent evaporates leaving behind the polymer in the filament form. Dry spinning is used for __________ fibres. Rayon Polyvinyl acetate PVC Polythene Rayon Polyvinyl acetate PVC Polythene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Crystallisation of polymers is an undesirable property. Crystallisation of celluloid is prevented by adding Glycerol Nitro cellulose None of these Camphor Glycerol Nitro cellulose None of these Camphor ANSWER DOWNLOAD EXAMIANS APP
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