Polymer Technology Rain coats are made of PVC Neoprene SBR Polyurathane PVC Neoprene SBR Polyurathane ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The only natural thermoplastic resin, which is a product of animal life is Copal Rosin Shellac Amber Copal Rosin Shellac Amber ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In step growth polymerisation, condensation occurs in a stepwise manner with or without the elimination of smaller molecules. An example of step growth polymerisation product is PVC Polybutadiene Terylene Polypropylene PVC Polybutadiene Terylene Polypropylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Peptizers like aromatic mercaptans (e.g. thiophenes) are added in rubber to Increase its viscosity Reduce the time of vulcanisation and quantity of vulcanising agent Protect rubber goods from attack by oxygen & ozone present in the atmosphere Reduce its viscosity to permit easier processing Increase its viscosity Reduce the time of vulcanisation and quantity of vulcanising agent Protect rubber goods from attack by oxygen & ozone present in the atmosphere Reduce its viscosity to permit easier processing ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Plexiglass (also called lucite) because of its high optical transparency is used for making lenses. It is chemically Polycarbonates Phenolic resins Polymethyl methacrylate (PMMA) Polytetraflouroethylene(PTFE) Polycarbonates Phenolic resins Polymethyl methacrylate (PMMA) Polytetraflouroethylene(PTFE) ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following polymers has the tendency of decomposing before melting? None of these Polystyrene Nylon PVC None of these Polystyrene Nylon PVC ANSWER DOWNLOAD EXAMIANS APP
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