Polymer Technology Most of the fibre forming polymers are crystalline in nature, one of the exceptions being __________ which is amorphous in nature. Polyacrylonitrile Polypropylene Polyester Nylon Polyacrylonitrile Polypropylene Polyester Nylon ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is generally not drawn into fibre? Polyacrylonitrile Polyamide Unsaturated polyesters Saturated polyesters Polyacrylonitrile Polyamide Unsaturated polyesters Saturated polyesters ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ are produced by reacting polybasic acid (e.g. phthalic anhydride) with polyhydric alcohol (e.g., glycerol). Alkyd resins Saturated polyester Amino resins Unsaturated polyester Alkyd resins Saturated polyester Amino resins Unsaturated polyester ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology 90% of the caprolactum is converted to nylon-6 on its condensation polymerisation in the reactor maintained at a temperature of __________ °C. 250-280 10-30 500-600 -5 250-280 10-30 500-600 -5 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Commercial production of polypropylene employs __________ polymerisation. Emulsion Solution Bulk Suspension Emulsion Solution Bulk Suspension 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. Acrylic Saturated polyester Viscose rayon Polyvinyl acetate Acrylic Saturated polyester Viscose rayon Polyvinyl acetate ANSWER DOWNLOAD EXAMIANS APP
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