Polymer Technology Which of the following rubbers has the widest service temperature range (-75 to 275°C) ? Silicon rubber Nitrile rubber Butyl rubber Silicone rubber Silicon rubber Nitrile rubber Butyl rubber Silicone rubber ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Condensation polymerisation of formaldehyde with __________ does not produce phenolic resin. Resorcinol Phenol Melamine Para-cresol Resorcinol Phenol Melamine Para-cresol ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Epoxy resins (i.e., epoxide polymers) Are made by addition polymerisation reaction only Use emulsion polymerisation methods Are cross-linked polymers only Contain an epoxy group ( ##### ) at the ends of the polymer Are made by addition polymerisation reaction only Use emulsion polymerisation methods Are cross-linked polymers only Contain an epoxy group ( ##### ) at the ends of the polymer ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Condensation of bisphenol A with phosgene produces __________ which possess very good heat resistance. Polysulphone Polyester Polycarbonate Polyurathane Polysulphone Polyester Polycarbonate Polyurathane ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polyvinyl acetate is never used for making Fibres Adhesives Moulded articles All of these Fibres Adhesives Moulded articles All of these ANSWER DOWNLOAD EXAMIANS APP
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