Polymer Technology Condensation of bisphenol A with phosgene produces __________ which possess very good heat resistance. Polycarbonate Polyester Polysulphone Polyurathane Polycarbonate Polyester Polysulphone Polyurathane 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 Saturated polyester Viscose rayon Acrylic Polyvinyl acetate Saturated polyester Viscose rayon Acrylic ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is generally not drawn into fibre? Unsaturated polyesters Saturated polyesters Polyamide Polyacrylonitrile Unsaturated polyesters Saturated polyesters Polyamide Polyacrylonitrile ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymethyl methacrylate (PMMA) which is also known as perspex and is produced by bulk polymerisation of methyl methacrylate is not a __________ polymer. Linear Thermoplastic Thermosetting Glass like transparent Linear Thermoplastic Thermosetting Glass like transparent ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Catalyst used in the production of high density polythene by low pressure Ziegler process is Platinum Nickel Aluminium triethyl activated with TiCl₄ Molybdenum Platinum Nickel Aluminium triethyl activated with TiCl₄ Molybdenum ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cross linked polymers formed from bi-and trifuctional groups in which cross-linkage in three dimensions via few chemical bonding across linear chains occur imparts to the polymer __________ properties. Elastometric Thermosetting Brittleness Thermoplastic Elastometric Thermosetting Brittleness Thermoplastic ANSWER DOWNLOAD EXAMIANS APP
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