Polymer Technology Condensation of bisphenol A with phosgene produces __________ which possess very good heat resistance. Polycarbonate Polyester Polyurathane Polysulphone Polycarbonate Polyester Polyurathane Polysulphone 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 Styrene butadiene rubber (SBR) as compared to natural rubber has All of these Poor tensile strength Greater amount of heat build up heavy loading Poorer resistance All of these Poor tensile strength Greater amount of heat build up heavy loading Poorer resistance ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a polymer of two monomers? Teflon Bakelite SBR None of these Teflon Bakelite SBR None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following polymers is used for making a non stick coating on frying pans? Perspex PVC Bakelite Teflon Perspex PVC Bakelite Teflon ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is a natural polyamide fibre. None of these Wool Silk Cotton None of these Wool Silk Cotton ANSWER DOWNLOAD EXAMIANS APP