Polymer Technology Softening point of high density polythene is about __________ °C. 165 205 135 85 165 205 135 85 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Low density polythene as compared to high density polythene is Tougher More flexible Harder Chemically inert Tougher More flexible Harder Chemically inert ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polycaprolactum is Nylon-6 Nylon-66 Dacron Rayon Nylon-6 Nylon-66 Dacron Rayon ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ resins are produced by the condensation polymerisation of formaldehyde with urea or melamine. Epoxy Phenolic Alkyd Amino Epoxy Phenolic Alkyd Amino ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Pickout the wrong statement. 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 The intermoleculer forces in ther-mosplastic polymers are intermediate to that of elastomers & fibres ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymers are classified into four categories namely thermosetting, thermoplastic, elastomer and fibre depending upon their Resistance to heat Molecular sizes Magnitude of intermolecular forces Polymerisation mechanism Resistance to heat Molecular sizes Magnitude of intermolecular forces Polymerisation mechanism ANSWER DOWNLOAD EXAMIANS APP