Polymer Technology Thermosetting polymers as compared to thermoplastic polymers Have three dimensional structure None of these Are formed by addition polymerisation Have linear structure Have three dimensional structure None of these Are formed by addition polymerisation Have linear structure ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In a cross linked polymer, the monomeric units are linked together to constitute a three dimensional network. Which of the following is a cross-linked polymer? Polythene Polyester Nylon-6 Bakelite (phenol formaldehyde) Polythene Polyester Nylon-6 Bakelite (phenol formaldehyde) ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Non sulphonated hard bakelites are not used for making Fountain pen barrels Ion-exchange resins Combs Formica table tops Fountain pen barrels Ion-exchange resins Combs Formica table tops ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Contact lenses for eyes are made of perspex, which is nothing but Polypropylene Polymethylmethacrylate Unsaturated polyester Polystyrene Polypropylene Polymethylmethacrylate Unsaturated polyester Polystyrene 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 Cellulose acetate Water impermeable cellophane Polythene Teflon Cellulose acetate Water impermeable cellophane Polythene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Glyptal used in the manufacture of paints & lacquers is a __________ polymer. Polyester Polyamide Polystyrene Polyacrylonitrile Polyester Polyamide Polystyrene Polyacrylonitrile ANSWER DOWNLOAD EXAMIANS APP