Polymer Technology Condensation polymerisation of caprolac-tum is carried out in the reactor maintained at a temperature of __________ °C for producing nylon-6. 50 to 75 250-280 100 to 150 -20 to 25 50 to 75 250-280 100 to 150 -20 to 25 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is the lowest cost plastic commercially available? Teflon Bakelite Polythene PVC Teflon Bakelite Polythene PVC ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following polymers has the tendency of decomposing before melting? Polystyrene None of these PVC Nylon Polystyrene None of these PVC Nylon ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermosplastic materials None of these Are heavily branched molecules Are solvent insoluble Do not soften on application of heat None of these Are heavily branched molecules Are solvent insoluble Do not soften on application of heat ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Styrene butadiene rubber is commercially manufactured by Emulsion polymerisation Solution polymerisation Suspension polymerisation Bulk polymerisation Emulsion polymerisation Solution polymerisation Suspension polymerisation Bulk polymerisation ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Collapsible tubes for tooth paste are produced by __________ extrusion. None of these Indirect Direct Impact None of these Indirect Direct Impact ANSWER DOWNLOAD EXAMIANS APP