Polymer Technology Molecular weights of plastics ranges from 10⁹ to l0¹¹ 20000 to 25000 5000 to 1000 1000 to 5000 10⁹ to l0¹¹ 20000 to 25000 5000 to 1000 1000 to 5000 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Pickout the wrong statement. Polymers made of only one monomer is called homopolymer Polymers made of more than one monomer is called copolymer or mixed polymer The intermoleculer forces in ther-mosplastic polymers are intermediate to that of elastomers & fibres Vulcanised rubber is more elastic than natural rubber Polymers made of only one monomer is called homopolymer Polymers made of more than one monomer is called copolymer or mixed polymer The intermoleculer forces in ther-mosplastic polymers are intermediate to that of elastomers & fibres Vulcanised rubber is more elastic than natural rubber ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Addition polymerisation takes place either by a free radical mechanism or ionic machanism depending on the reagents used. Free radical polymerisation is catelyzed by __________ , which decompose to give free radicals. Hydroflouric acid Organic peroxides Sulphuric acid None of these Hydroflouric acid Organic peroxides Sulphuric acid None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Due to its excellent permeability to air/gas and oxidation resistance, the tubes of automobile tyres is made of Cold SBR Bunai N Butyl rubber Buna S Cold SBR Bunai N Butyl rubber Buna S ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is the lowest cost plastic commercially available? Teflon Bakelite Polythene PVC Teflon Bakelite Polythene PVC ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following low molecular weight ( PVC Thiokol Cellulose acetate Polyvinyl acetate PVC Thiokol Cellulose acetate Polyvinyl acetate ANSWER DOWNLOAD EXAMIANS APP
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