Polymer Technology Thermosetting polymers as compared to thermoplastic polymers Have linear structure Are formed by addition polymerisation Have three dimensional structure None of these Have linear structure Are formed by addition polymerisation Have three dimensional structure None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following additives are added to plastics to make it impervious to X-rays? Asbestos Barium salt Phthalic acid Carborundum Asbestos Barium salt Phthalic acid Carborundum ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The main use of butadiene is In the manufacture of synthetic rubber As an anti-skimming agent in paint None of these As a plasticiser for unsaturated polyester In the manufacture of synthetic rubber As an anti-skimming agent in paint None of these As a plasticiser for unsaturated polyester ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Reaction of dimethyl terephthalate (DMT) and ethylene glycol produces Polyester PVC Dacron Nylon-6 Polyester PVC Dacron Nylon-6 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? 50000 51600 50800 49200 50000 51600 50800 49200 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Low pressure Zeigler process for the manufacture of polythene uses a catalyst which is Fe V₂O₅ Aluminium triethyl combined with titanium tetrachloride Ni Fe V₂O₅ Aluminium triethyl combined with titanium tetrachloride Ni ANSWER DOWNLOAD EXAMIANS APP
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