Polymer Technology Thermosetting resins/polymers as compared to thermoplastic ones are More brittle Soluble in all organic solvents Formed by addition polymerisation only Easily reshaped & reused More brittle Soluble in all organic solvents Formed by addition polymerisation only Easily reshaped & reused ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cellulose content in bomboo fibre is about __________ percent. 85 50 10 20 85 50 10 20 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ tubes are good substitude for human blood vessels onrheart by-pass operation. Teflon/dacron Polystyrene Polythene PVC Teflon/dacron Polystyrene Polythene PVC ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Size range of polymer molecules varies from __________ metre. 10⁻⁸ to 10⁻¹⁰ 10⁻¹ to 10⁻² 10⁻² to 10⁻⁵ 10⁻⁴ to 10⁻⁷ 10⁻⁸ to 10⁻¹⁰ 10⁻¹ to 10⁻² 10⁻² to 10⁻⁵ 10⁻⁴ to 10⁻⁷ ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The only natural thermoplastic resin, which is a product of animal life is Amber Copal Rosin Shellac Amber Copal Rosin Shellac ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a natural polymer? Nucleic acids e.g. RNA and DNA Polysaccharides Polyisoprene Polyurethane Nucleic acids e.g. RNA and DNA Polysaccharides Polyisoprene Polyurethane ANSWER DOWNLOAD EXAMIANS APP
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