Polymer Technology Plexiglass (also called lucite) because of its high optical transparency is used for making lenses. It is chemically Polytetraflouroethylene(PTFE) Phenolic resins Polymethyl methacrylate (PMMA) Polycarbonates Polytetraflouroethylene(PTFE) Phenolic resins Polymethyl methacrylate (PMMA) Polycarbonates ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Branched chair polymers as compared to linear polymers have Higher melting point None of these Lower density Higher tensile strength Higher melting point None of these Lower density Higher tensile strength ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Styrene which is a monomer for the production of polystyrene, is commercially produced by the Reacting ethylene oxide with acetal-dehyde Fermentation of starch Dehydration of ethyl alcohol followed by hydrogenation Catalytic dehydrogenation of ethyl benzene Reacting ethylene oxide with acetal-dehyde Fermentation of starch Dehydration of ethyl alcohol followed by hydrogenation Catalytic dehydrogenation of ethyl benzene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ moulding is used for shaping of thermosetting plastics exclusively. Compression Injection Extrusion Transfer Compression Injection Extrusion Transfer ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Rayon is superior to cotton in making gauge for wound treatment, because rayon Both B & C Can absorb over 90% of its own weight of water Is a synthetic polymer Does not stick to the wound unlike cotton Both B & C Can absorb over 90% of its own weight of water Is a synthetic polymer Does not stick to the wound unlike cotton ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Temperature maintained in the emulsion polymerisation reactor for PVC manufacture is about __________ ° C. 50 -20 250 500 50 -20 250 500 ANSWER DOWNLOAD EXAMIANS APP
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