Polymer Technology Polymers are classified into four categories namely thermosetting, thermoplastic, elastomer and fibre depending upon their Polymerisation mechanism Magnitude of intermolecular forces Molecular sizes Resistance to heat Polymerisation mechanism Magnitude of intermolecular forces Molecular sizes Resistance to heat ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cation exchange resins used in water treatment is made from __________ resin. Amino Epoxy Phenolic Urea formaldehyde Amino Epoxy Phenolic Urea formaldehyde ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Molecular weights of plastics ranges from 10⁹ to l0¹¹ 5000 to 1000 1000 to 5000 20000 to 25000 10⁹ to l0¹¹ 5000 to 1000 1000 to 5000 20000 to 25000 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Flexible foam (for mattresses) are usually made of Polyamides Silicone rubber Polyurethanes PVC Polyamides Silicone rubber Polyurethanes PVC ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology All thermoplastic, thermosetting & elastic materials can be processed in a extrusion machine, however it can not be used for the production of plastic Tubings Filaments Pipes Buckets Tubings Filaments Pipes Buckets ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Plasticisers are added to synthetic plastics to Develop new improved properties not present in the original resin Improve workability during fabrication Impart flexibility All of these Develop new improved properties not present in the original resin Improve workability during fabrication Impart flexibility All of these ANSWER DOWNLOAD EXAMIANS APP