Polymer Technology In case of wet spinning of polymers, the polymer solution is forced through spinnerates into, a coagulating bath to give a filament form. Wet spinning is not used in case of the __________ fibres. Saturated polyester Acrylic Polyvinyl acetate Viscose rayon Saturated polyester Acrylic Polyvinyl acetate Viscose rayon ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Rexin (also called artificial leather), which is used for making table cover, automobile seat cover, shoes etc. is made by coating thick cloth with molten SBR Teflon Bakelite PVC SBR Teflon Bakelite PVC ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Typical solvent polymerisation reaction conditions for the production of high density polythene by Zeigler process is 7 kgf/cm² and 70 °C 1 kgf/cm² (gage) and 70°C 7 kgf/cm² and 700°C 1000 kgf/cm² and 100°C 7 kgf/cm² and 70 °C 1 kgf/cm² (gage) and 70°C 7 kgf/cm² and 700°C 1000 kgf/cm² and 100°C ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Plasticisers are added to synthetic plastics to Develop new improved properties not present in the original resin Improve workability during fabrication All of these Impart flexibility Develop new improved properties not present in the original resin Improve workability during fabrication All of these Impart flexibility ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Dacron (or terylene) fibres as compared to nylon fibres have All of these Poorer resistance to alkalis Better heat & acid resistant properties Poorer dyeability All of these Poorer resistance to alkalis Better heat & acid resistant properties Poorer dyeability ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Nylon 6, 10 which is used for bristles making is superior to nylon 6, 6 due to its lower water absorption capacity, is a/an Polyester Polyisoprene Polystyrene Polyamide Polyester Polyisoprene Polystyrene Polyamide ANSWER DOWNLOAD EXAMIANS APP
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