Polymer Technology Plexiglass (also called lucite) because of its high optical transparency is used for making lenses. It is chemically Polytetraflouroethylene(PTFE) Polymethyl methacrylate (PMMA) Phenolic resins Polycarbonates Polytetraflouroethylene(PTFE) Polymethyl methacrylate (PMMA) Phenolic resins Polycarbonates ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Buna-S is a __________ material. Plastic Fibrous Rubbery Resinous Plastic Fibrous Rubbery Resinous ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ scrap can be recycled & reutilised. None of these Bakelite Epoxy resin Polythene None of these Bakelite Epoxy resin Polythene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Tubeless tyres are made of __________ rubber, which is a co-polymer of isoprene & isobutylene. Neoprene Silicone Butyl Nitrile Neoprene Silicone Butyl Nitrile ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following has the weakest intermolecular forces? Nylon-66 Bakelite Polyisoprene Polystyrene Nylon-66 Bakelite Polyisoprene Polystyrene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Size range of polymer molecules varies from __________ metre. 10⁻¹ to 10⁻² 10⁻² to 10⁻⁵ 10⁻⁸ to 10⁻¹⁰ 10⁻⁴ to 10⁻⁷ 10⁻¹ to 10⁻² 10⁻² to 10⁻⁵ 10⁻⁸ to 10⁻¹⁰ 10⁻⁴ to 10⁻⁷ ANSWER DOWNLOAD EXAMIANS APP
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