Polymer Technology Which of the following is stretched into fibres? Bakelite Unsaturated polyester Saturated polyester Isoprene Bakelite Unsaturated polyester Saturated polyester Isoprene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ are produced by reacting polybasic acid (e.g. phthalic anhydride) with polyhydric alcohol (e.g., glycerol). Amino resins Saturated polyester Alkyd resins Unsaturated polyester Amino resins Saturated polyester Alkyd resins Unsaturated polyester 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 Hydroflouric acid None of these Organic peroxides Sulphuric acid Hydroflouric acid None of these Organic peroxides 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. Polyvinyl acetate Acrylic Saturated polyester Viscose rayon Polyvinyl acetate Acrylic Saturated polyester Viscose rayon ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Styrene butadiene rubber is commercially manufactured by Emulsion polymerisation Solution polymerisation Bulk polymerisation Suspension polymerisation Emulsion polymerisation Solution polymerisation Bulk polymerisation Suspension polymerisation ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Paper like thin plastic articles can be produced by Injection moulding Vacuum thermo forming Blow moulding None of these Injection moulding Vacuum thermo forming Blow moulding None of these ANSWER DOWNLOAD EXAMIANS APP
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