Polymer Technology The only natural thermoplastic resin, which is a product of animal life is Shellac Rosin Amber Copal Shellac Rosin Amber Copal 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. PVC Rayon Polythene Polyvinyl acetate PVC Rayon Polythene Polyvinyl acetate ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology SBR is produced by the copolymerisation of butadiene & styrene by employing emulsion polymerisation. The weight ratio of styrene and butadiene is maintained at 3:1 2:1 1:3 1:2 3:1 2:1 1:3 1:2 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology A copolymer of vinyl and vinylidine chloride is called Dacron Treylene Saran Orlon Dacron Treylene Saran Orlon 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 Tensile strength Flexibility Chemical resistance All of these Tensile strength Flexibility Chemical resistance All of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The monomer of poly vinyl chloride (PVC) is Chloroform Ethyl chloride Chloroethene Ethylene dichloride Chloroform Ethyl chloride Chloroethene Ethylene dichloride ANSWER DOWNLOAD EXAMIANS APP