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 Nylon-66 compared to nylon-6 has Lower melting point Higher hardness More abrasion resistant properties All of these Lower melting point Higher hardness More abrasion resistant properties All of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In step growth polymerisation, condensation occurs in a stepwise manner with or without the elimination of smaller molecules. An example of step growth polymerisation product is Polybutadiene Terylene Polypropylene PVC Polybutadiene Terylene Polypropylene PVC 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 All of these Chemical resistance Flexibility Tensile strength All of these Chemical resistance Flexibility Tensile strength ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following polymers is used for making a non stick coating on frying pans? Perspex Teflon Bakelite PVC Perspex Teflon Bakelite PVC ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology All thermoplastic, thermosetting & elastic materials can be processed in a extrusion machine, however it can not be used for the production of plastic Filaments Tubings Pipes Buckets Filaments Tubings Pipes Buckets ANSWER DOWNLOAD EXAMIANS APP
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