Polymer Technology Which of the following is a natural polyamide fibre. Silk Wool None of these Cotton Silk Wool None of these Cotton ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ polymer is produced by the copolymerisation of vinyl chloride-vinyl acetate. Hard Rubbery Fibrous Leathery Hard Rubbery Fibrous Leathery ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Contact lenses for eyes are made of perspex, which is nothing but Polymethylmethacrylate Polypropylene Unsaturated polyester Polystyrene Polymethylmethacrylate Polypropylene Unsaturated polyester Polystyrene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Addition of plasticisers to polymers results in partial neutralisation of intermolecular forces of attraction between the macro-molecules thereby increasing its Flexibility All of these Chemical resistance Tensile strength Flexibility All of these Chemical resistance Tensile strength 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 Viscose rayon Acrylic Polyvinyl acetate Saturated polyester Viscose rayon Acrylic Polyvinyl acetate ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymerisation process in which two or more monomers of chemically different nature take part is called None of these Copolymerisation Addition polymerisation Chain polymerisation None of these Copolymerisation Addition polymerisation Chain polymerisation ANSWER DOWNLOAD EXAMIANS APP
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