Polymer Technology The synthetic fibres produced from __________ are known as rayon. Lignin Cellulose Polyamides Ethylene glycol Lignin Cellulose Polyamides Ethylene glycol ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following polymers does not belong to the class of polyacrylate polymer? Polyacrylonitrile Polyethyl acrylate None of these PMMA Polyacrylonitrile Polyethyl acrylate None of these PMMA ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polyvinyl chloride (PVC) Is produced by polycondensation reaction Uses either emulsion or suspension polymerisation methods Softening temperature is 200°C Can be made thermosetting by adding a plasticiser Is produced by polycondensation reaction Uses either emulsion or suspension polymerisation methods Softening temperature is 200°C Can be made thermosetting by adding a plasticiser ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Softening point of high density polythene is about __________ °C. 85 135 165 205 85 135 165 205 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Condensation of bisphenol A with phosgene produces __________ which possess very good heat resistance. Polysulphone Polyester Polyurathane Polycarbonate Polysulphone Polyester Polyurathane Polycarbonate ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Plasticisers are added to synthetic plastics to Improve workability during fabrication Develop new improved properties not present in the original resin Impart flexibility All of these Improve workability during fabrication Develop new improved properties not present in the original resin Impart flexibility All of these ANSWER DOWNLOAD EXAMIANS APP