Polymer Technology Dacron (or terylene) fibres as compared to nylon fibres have Poorer resistance to alkalis Better heat & acid resistant properties All of these Poorer dyeability Poorer resistance to alkalis Better heat & acid resistant properties All of these Poorer dyeability ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following rubbers has the widest service temperature range (-75 to 275°C) ? Silicone rubber Butyl rubber Silicon rubber Nitrile rubber Silicone rubber Butyl rubber Silicon rubber Nitrile rubber ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The process involved in converting rubber into a thin sheet or coating it on fabric is called Mastication Extrusion Calendering Vulcanisation Mastication Extrusion Calendering Vulcanisation ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology A copolymer is formed by the combination of two or more monomer molecules With the elimination of small amount of water Of the same monomer by elimination of small molecules of water In a chain without the elimination of water None of these With the elimination of small amount of water Of the same monomer by elimination of small molecules of water In a chain without the elimination of water None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Lavatory cisterns are normally made of Saturated polyester Expanded polystyrene Perspex PVC Saturated polyester Expanded polystyrene Perspex PVC ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polycondensation of saturated dicarboxylic acid with polyhydric alcohol produces Polyamide Phenolic resin Alkyd resin Epoxy resin Polyamide Phenolic resin Alkyd resin Epoxy resin ANSWER DOWNLOAD EXAMIANS APP
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