Polymer Technology Thiokol is nothing but Engineering plastic Exponded polystyrene Polysulphide rubber Polyamide fibre Engineering plastic Exponded polystyrene Polysulphide rubber Polyamide fibre ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ moulding is used for shaping of thermosetting plastics exclusively. Injection Transfer Extrusion Compression Injection Transfer Extrusion Compression ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Addition polymerisation takes place either by a free radical mechanism or ionic machanism depending on the reagents used. Free radical polymerisation is catelyzed by __________ , which decompose to give free radicals. Sulphuric acid Organic peroxides None of these Hydroflouric acid Sulphuric acid Organic peroxides None of these Hydroflouric acid ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Unbreakable crockeries are made from __________ polymers. Polyurathane Polystyrene Polystyrene Melamine Polyurathane Polystyrene Polystyrene Melamine ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymers are classified into four categories namely thermosetting, thermoplastic, elastomer and fibre depending upon their Magnitude of intermolecular forces Molecular sizes Resistance to heat Polymerisation mechanism Magnitude of intermolecular forces Molecular sizes Resistance to heat Polymerisation mechanism ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Plexiglass (also called lucite) because of its high optical transparency is used for making lenses. It is chemically Polymethyl methacrylate (PMMA) Polytetraflouroethylene(PTFE) Polycarbonates Phenolic resins Polymethyl methacrylate (PMMA) Polytetraflouroethylene(PTFE) Polycarbonates Phenolic resins ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS