Polymer Technology Molecular weight of a polymer is equal to the molecular weight of the repeat unit multiplied by the degree of polymerisation. What is the molecular weight of poly vinyl chloride (PVC), if its degree of polymerisation is 800? 49200 50000 51600 50800 49200 50000 51600 50800 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Buna-N is also called Butyl rubber Neoprene Thiokol Nitrile rubber Butyl rubber Neoprene Thiokol Nitrile rubber ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Pickout the wrong statement. 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 only one monomer is called homopolymer Polymers made of more than one monomer is called copolymer or mixed polymer 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 only one monomer is called homopolymer Polymers made of more than one monomer is called copolymer or mixed polymer ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology 90% of the caprolactum is converted to nylon-6 on its condensation polymerisation in the reactor maintained at a temperature of __________ °C. 250-280 -5 10-30 500-600 250-280 -5 10-30 500-600 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Condensation of bisphenol A with phosgene produces __________ which possess very good heat resistance. Polyurathane Polycarbonate Polyester Polysulphone Polyurathane Polycarbonate Polyester Polysulphone ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Rain coats are made of PVC SBR Polyurathane Neoprene PVC SBR Polyurathane Neoprene ANSWER DOWNLOAD EXAMIANS APP