Polymer Technology Polymers are classified into four categories namely thermosetting, thermoplastic, elastomer and fibre depending upon their Magnitude of intermolecular forces Resistance to heat Polymerisation mechanism Molecular sizes Magnitude of intermolecular forces Resistance to heat Polymerisation mechanism Molecular sizes ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Chain growth polymerisation is a process, in which the monomers are added in a chain fashion, and it requires an initiator to produce the free radical. An example of chain growth polymerisation products is Bakelite Teflon Nylon-66 Polyester Bakelite Teflon Nylon-66 Polyester ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Molecular weights of plastics ranges from 5000 to 1000 10⁹ to l0¹¹ 1000 to 5000 20000 to 25000 5000 to 1000 10⁹ to l0¹¹ 1000 to 5000 20000 to 25000 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ is a copolymer. PVC Polyrophylene Poly tetra flouro ethylene Nylon-66 PVC Polyrophylene Poly tetra flouro ethylene Nylon-66 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Plasticisers are added to synthetic plastics to Improve workability during fabrication Develop new improved properties not present in the original resin All of these Impart flexibility Improve workability during fabrication Develop new improved properties not present in the original resin All of these Impart flexibility ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Tubeless tyres are made of __________ rubber, which is a co-polymer of isoprene & isobutylene. Silicone Butyl Neoprene Nitrile Silicone Butyl Neoprene Nitrile ANSWER DOWNLOAD EXAMIANS APP