Polymer Technology __________ is a homopolymer. Neoprene Bakelite Terylene Nylon-66 Neoprene Bakelite Terylene Nylon-66 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Diphenylamine is added to rubber to Valcanise it Make it thermosetting 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 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Starting material for the production of SBR is Neither A nor B Ethyl alcohol Both A & B Ethylene Neither A nor B Ethyl alcohol Both A & B Ethylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In case of dry spinning of polymers, the polymer solution in a volatile solvent is forced through the spinnerates into a warm air chamber, where the solvent evaporates leaving behind the polymer in the filament form. Dry spinning is used for __________ fibres. Polythene Polyvinyl acetate PVC Rayon Polythene Polyvinyl acetate PVC Rayon ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Natural rubber is obtained from latex, which is a colloidal dispersion of rubber in water. Which of the following is used as a coagulant in latex? Ammonium alum Both A & B Neither A nor B Potassium alum Ammonium alum Both A & B Neither A nor B Potassium alum 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 Polymethyl methacrylate (PMMA) Polytetraflouroethylene(PTFE) Polycarbonates Phenolic resins Polymethyl methacrylate (PMMA) Polytetraflouroethylene(PTFE) Polycarbonates ANSWER DOWNLOAD EXAMIANS APP
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