Polymer Technology Non sulphonated hard bakelites are not used for making Combs Formica table tops Fountain pen barrels Ion-exchange resins Combs Formica table tops Fountain pen barrels Ion-exchange resins ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Contact lenses for eyes are made of perspex, which is nothing but Polymethylmethacrylate Polypropylene Polystyrene Unsaturated polyester Polymethylmethacrylate Polypropylene Polystyrene Unsaturated polyester ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Viscosity of a polymer solution or melt Does not vary with temperature rise Decreases with increase in molecular weight Increases with increase in temperature Decreases with increase in temperature Does not vary with temperature rise Decreases with increase in molecular weight Increases with increase in temperature Decreases with increase in temperature ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Most commonly used rubber vulcanisation agent is Sulphur Alumina Bromine Platinum Sulphur Alumina Bromine Platinum ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cellulose acetate has very high film permeability among all the polymers of the order of 5000 gm/100 m². Which of the following polymers has the maximum film elongation (of the order of 100%) ? Teflon Polythene Water impermeable cellophane Cellulose acetate Teflon Polythene Water impermeable cellophane Cellulose acetate 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
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