Polymer Technology Polymers are classified into four categories namely thermosetting, thermoplastic, elastomer and fibre depending upon their Magnitude of intermolecular forces Molecular sizes Polymerisation mechanism Resistance to heat Magnitude of intermolecular forces Molecular sizes Polymerisation mechanism Resistance to heat ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Alkyd resin can not be used for making Film forming materials Fibres Paint & varnish Plasticiser Film forming materials Fibres Paint & varnish Plasticiser ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Plexiglass (also called lucite) because of its high optical transparency is used for making lenses. It is chemically Phenolic resins Polycarbonates Polymethyl methacrylate (PMMA) Polytetraflouroethylene(PTFE) Phenolic resins Polycarbonates Polymethyl methacrylate (PMMA) Polytetraflouroethylene(PTFE) ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Acrilan fibres used for making cloth, carpet & blankets, which is a hard, horny & high melting polymeric material is nothing but Polyacrylonitrile Alkyd resin Polyamide Saturated polyester Polyacrylonitrile Alkyd resin Polyamide Saturated polyester ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Vulcanisation of rubber does not increase its Elasticity & water solubility Oxidation resistance Softness Weight & strength Elasticity & water solubility Oxidation resistance Softness Weight & strength ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The physical state in which polymers exist is All of these Amorphous glassy state Partially crystalline state Melts & rubber like state All of these Amorphous glassy state Partially crystalline state Melts & rubber like state ANSWER DOWNLOAD EXAMIANS APP