Polymer Technology __________ tubes are good substitude for human blood vessels onrheart by-pass operation. Polythene Teflon/dacron Polystyrene PVC Polythene Teflon/dacron Polystyrene PVC ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Condensation polymerisation of caprolac-tum is carried out in the reactor maintained at a temperature of __________ °C for producing nylon-6. -20 to 25 50 to 75 100 to 150 250-280 -20 to 25 50 to 75 100 to 150 250-280 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Epoxy resins (i.e., epoxide polymers) 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 Use emulsion polymerisation methods Are made by addition polymerisation reaction only ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermosplastic materials None of these Do not soften on application of heat Are solvent insoluble Are heavily branched molecules None of these Do not soften on application of heat Are solvent insoluble Are heavily branched molecules ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is a copolymer? PVC Bakelite Teflon Polythene PVC Bakelite Teflon Polythene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The generic chemical name for the class of polymers which are commerically known as nylons is Polyurathane Polyacrylate Polyolefins Polyamide Polyurathane Polyacrylate Polyolefins Polyamide ANSWER DOWNLOAD EXAMIANS APP