Polymer Technology Styrene which is a monomer for the production of polystyrene, is commercially produced by the Fermentation of starch Catalytic dehydrogenation of ethyl benzene Reacting ethylene oxide with acetal-dehyde Dehydration of ethyl alcohol followed by hydrogenation Fermentation of starch Catalytic dehydrogenation of ethyl benzene Reacting ethylene oxide with acetal-dehyde Dehydration of ethyl alcohol followed by hydrogenation ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Melamine formaldehyde resin which has a very high anti tacking properties, is not used for the Electrical insulation purpose Decorative laminates Strengthening of plaster of paris Tanning of leather Electrical insulation purpose Decorative laminates Strengthening of plaster of paris Tanning of leather ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Paper like thin plastic articles can be produced by None of these Blow moulding Vacuum thermo forming Injection moulding None of these Blow moulding Vacuum thermo forming Injection moulding 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. Polyvinyl acetate PVC Polythene Rayon Polyvinyl acetate PVC Polythene Rayon ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Properties of a polymer is affected by the Branching & cross-linking All of these Chain length Intermolecular forces Branching & cross-linking All of these Chain length Intermolecular forces ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In case of wet spinning of polymers, the polymer solution is forced through spinnerates into, a coagulating bath to give a filament form. Wet spinning is not used in case of the __________ fibres. Polyvinyl acetate Viscose rayon Acrylic Saturated polyester Polyvinyl acetate Viscose rayon Acrylic Saturated polyester ANSWER DOWNLOAD EXAMIANS APP
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