Polymer Technology Cross linked polymers formed from bi-and trifuctional groups in which cross-linkage in three dimensions via few chemical bonding across linear chains occur imparts to the polymer __________ properties. Elastometric Thermosetting Brittleness Thermoplastic Elastometric Thermosetting Brittleness Thermoplastic ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Most of the fibre forming polymers are crystalline in nature, one of the exceptions being __________ which is amorphous in nature. Polypropylene Polyacrylonitrile Nylon Polyester Polypropylene Polyacrylonitrile Nylon Polyester ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Pickout the wrong statement. Polymers made of only one monomer is called homopolymer Vulcanised rubber is more elastic than natural rubber The intermoleculer forces in ther-mosplastic polymers are intermediate to that of elastomers & fibres Polymers made of more than one monomer is called copolymer or mixed polymer Polymers made of only one monomer is called homopolymer Vulcanised rubber is more elastic than natural rubber The intermoleculer forces in ther-mosplastic polymers are intermediate to that of elastomers & fibres Polymers made of more than one monomer is called copolymer or mixed polymer ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The rate controlling step in the manufacture of silicone rubber is the Condensation of siloxane to silicone Initial hydrolysis of silicone monomer Polymer termination step None of these Condensation of siloxane to silicone Initial hydrolysis of silicone monomer Polymer termination step None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Nylon-66 is a polyamide of Adipic acid and methyl amine Vinyl chloride and formaldeyde None of these Hexamethylene diamine and adipic acid Adipic acid and methyl amine Vinyl chloride and formaldeyde None of these Hexamethylene diamine and adipic acid ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Buna-S is also called Teflon Bakelite Polyurathane SBR Teflon Bakelite Polyurathane SBR ANSWER DOWNLOAD EXAMIANS APP
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