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? 49200 51600 50000 50800 49200 51600 50000 50800 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following types of polymers has the strongest inter particle forces? Thermoplastics Elastomers Thermosetting polymers Fibres Thermoplastics Elastomers Thermosetting polymers Fibres ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The process involved in converting rubber into a thin sheet or coating it on fabric is called Calendering Extrusion Mastication Vulcanisation Calendering Extrusion Mastication Vulcanisation ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In a co-polymer, the repeating units contain two different monomers. Which of the following is a copolymer? PMMA PTFE Buna-S Polycaprolactum PMMA PTFE Buna-S Polycaprolactum ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Epoxy resins (i.e., epoxide polymers) Use emulsion polymerisation methods Are made by addition polymerisation reaction only Are cross-linked polymers only Contain an epoxy group ( ##### ) at the ends of the polymer Use emulsion polymerisation methods Are made by addition polymerisation reaction only Are cross-linked polymers only Contain an epoxy group ( ##### ) at the ends of the polymer ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Addition polymerisation is not involved in the manufacture of Low density polythene Polyhexamethylene adipamide Polystyrene Poly vinyl chloride Low density polythene Polyhexamethylene adipamide Polystyrene Poly vinyl chloride ANSWER DOWNLOAD EXAMIANS APP
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