Polymer Technology Which of the following is not a polyolefin? Polypropylene None of these Neoprene Polystyrene Polypropylene None of these Neoprene Polystyrene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Branched chair polymers as compared to linear polymers have Lower density None of these Higher tensile strength Higher melting point Lower density None of these Higher tensile strength Higher melting point 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? 51600 50000 50800 49200 51600 50000 50800 49200 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following additives are added to plastics to make it impervious to X-rays? Phthalic acid Asbestos Carborundum Barium salt Phthalic acid Asbestos Carborundum Barium salt ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polycondensation reaction of polymerisation Does not produce linear polymers Produces epoxy polymers Produces only thermoplastic material Does not need any catalyst Does not produce linear polymers Produces epoxy polymers Produces only thermoplastic material Does not need any catalyst ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The major constituent of laminate of safety glass, which holds the broken glass, pieces in their places during accident (and thus minimises the danger from flying glass fragments) is PVC Polyvinyl butyral Polyvinyl acetale Polyvinyl alcohol PVC Polyvinyl butyral Polyvinyl acetale Polyvinyl alcohol ANSWER DOWNLOAD EXAMIANS APP
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