Polymer Technology Out of all the elastomers, natural rubber has the longest elongation range & flexibility of the order of __________ percent. 1500-2000 1000-1500 2000-2500 1-1000 1500-2000 1000-1500 2000-2500 1-1000 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Pickout the wrong statement. 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 more than one monomer is called copolymer or mixed polymer Polymers made of only one monomer is called homopolymer 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 more than one monomer is called copolymer or mixed polymer Polymers made of only one monomer is called homopolymer 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. Rayon Polyvinyl acetate Polythene PVC Rayon Polyvinyl acetate Polythene PVC ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Poly Vinyl chloride (PVC) is a __________ material. Chemically active Fibrous Thermosetting Thermoplastic Chemically active Fibrous Thermosetting Thermoplastic ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Silicone resins, which are highly water repellant and has good heat resistance can not be used Resin for lamination As room temperature adhesive Hydraulic fluid for heat transfer As grease & lubricant Resin for lamination As room temperature adhesive Hydraulic fluid for heat transfer As grease & lubricant ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is a copolymer? PVC Bakelite Polythene Teflon PVC Bakelite Polythene Teflon ANSWER DOWNLOAD EXAMIANS APP