Polymer Technology Plasticisers are high boiling liquids added to plastic polymers to impart toughness and flexibility at ordinary temperature. Which of the following is not a plasticiser? Esters of phthalic acid Ethylene glycol Stearic acid estors Tricresyl phosphate Esters of phthalic acid Ethylene glycol Stearic acid estors Tricresyl phosphate ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Hot drink (e.g, tea) cups are usually made of Polystyrene PVC Polypropylene Polythene Polystyrene PVC Polypropylene Polythene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Molecular weight of a polymer is equal to the molecular weight of the repeat unit multiplied by the degree of polymerisation. What is the molecular weight of poly vinyl chloride (PVC), if its degree of polymerisation is 800? 50800 50000 51600 49200 50800 50000 51600 49200 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polycondensation of saturated dicarboxylic acid with polyhydric alcohol produces Epoxy resin Phenolic resin Polyamide Alkyd resin Epoxy resin Phenolic resin Polyamide Alkyd resin ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Tyres are made by Injection moulding Extrusion Rotational moulding Compression moulding Injection moulding Extrusion Rotational moulding Compression moulding ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The only natural thermoplastic resin, which is a product of animal life is Copal Amber Rosin Shellac Copal Amber Rosin Shellac ANSWER DOWNLOAD EXAMIANS APP