Polymer Technology Rain coats are made of SBR Neoprene PVC Polyurathane SBR Neoprene PVC Polyurathane ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Plasticisers are added to synthetic plastics to All of these Improve workability during fabrication Impart flexibility Develop new improved properties not present in the original resin All of these Improve workability during fabrication Impart flexibility Develop new improved properties not present in the original resin ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Mastication of rubber means Improving its curing rate Its softening A treatment to retard its deterioration due to oxidation Depression of its freezing point Improving its curing rate Its softening A treatment to retard its deterioration due to oxidation Depression of its freezing point ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is a copolymer? PVC Bakelite Teflon Polythene PVC Bakelite Teflon Polythene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polythene is a/an Addition polymerisation product Condensation polymerisation product None of these Thermosetting material Addition polymerisation product Condensation polymerisation product None of these Thermosetting material ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Peptizers like aromatic mercaptans (e.g. thiophenes) are added in rubber to Protect rubber goods from attack by oxygen & ozone present in the atmosphere Reduce the time of vulcanisation and quantity of vulcanising agent Reduce its viscosity to permit easier processing Increase its viscosity Protect rubber goods from attack by oxygen & ozone present in the atmosphere Reduce the time of vulcanisation and quantity of vulcanising agent Reduce its viscosity to permit easier processing Increase its viscosity ANSWER DOWNLOAD EXAMIANS APP
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