Polymer Technology A copolymer is formed by the combination of two or more monomer molecules With the elimination of small amount of water None of these In a chain without the elimination of water Of the same monomer by elimination of small molecules of water With the elimination of small amount of water None of these In a chain without the elimination of water Of the same monomer by elimination of small molecules of water ANSWER DOWNLOAD EXAMIANS APP
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 Diphenylamine is added to rubber to Protect it from deterioration on exposure to air Make it non-inflammable Valcanise it Make it thermosetting Protect it from deterioration on exposure to air Make it non-inflammable Valcanise it Make it thermosetting ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polypropylene compared to polythene is Stronger All of these Harder Lighter Stronger All of these Harder Lighter ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In case of wet spinning of polymers, the polymer solution is forced through spinnerates into, a coagulating bath to give a filament form. Wet spinning is not used in case of the __________ fibres. Saturated polyester Polyvinyl acetate Acrylic Viscose rayon Saturated polyester Polyvinyl acetate Acrylic Viscose rayon ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Condensation polymerisation of caprolac-tum is carried out in the reactor maintained at a temperature of __________ °C for producing nylon-6. 100 to 150 50 to 75 250-280 -20 to 25 100 to 150 50 to 75 250-280 -20 to 25 ANSWER DOWNLOAD EXAMIANS APP
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