Polymer Technology __________ polymer is used for making unbreakable crockery. Melamine Thermoplastic None of these Addition Melamine Thermoplastic None of these Addition ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ is a copolymer. Polyrophylene Nylon-66 PVC Poly tetra flouro ethylene Polyrophylene Nylon-66 PVC Poly tetra flouro ethylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Crystallisation of polymers is an undesirable property. Crystallisation of celluloid is prevented by adding Camphor Nitro cellulose Glycerol None of these Camphor Nitro cellulose Glycerol None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Melt spinning of polymers involves the forcing of polymer melt through spinnerettes (fine holes) into an atmosphere kept at a temperature lower than the melting point of the polymer, which causes the fine diameter polymer melt to harden into filaments. Melt spinning is not used in case of the __________ fibres. Polyester Polypropylene Acrylic Nylon 6:6 Polyester Polypropylene Acrylic Nylon 6:6 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Ebonite is a/an Natural rubber Unvulcanised raw rubber Highly vulcanised rubber Adhesive Natural rubber Unvulcanised raw rubber Highly vulcanised rubber Adhesive 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 Rayon PVC Polythene Polyvinyl acetate Rayon PVC Polythene ANSWER DOWNLOAD EXAMIANS APP