Polymer Technology __________ is a thermosetting plastic. PVC Polythene Bakelite Polystyrene PVC Polythene Bakelite Polystyrene 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 its viscosity to permit easier processing Reduce the time of vulcanisation and quantity of vulcanising agent Increase its viscosity Protect rubber goods from attack by oxygen & ozone present in the atmosphere Reduce its viscosity to permit easier processing Reduce the time of vulcanisation and quantity of vulcanising agent Increase its viscosity ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following polymers shows the highest anti-tacking properties? Melamine formaldehyde resin Epoxy resin Phenolic resin Alkyd resin Melamine formaldehyde resin Epoxy resin Phenolic resin Alkyd resin ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polycondensation of saturated dicarboxylic acid with polyhydric alcohol produces Alkyd resin Polyamide Epoxy resin Phenolic resin Alkyd resin Polyamide Epoxy resin Phenolic resin ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Diphenylamine is added to rubber to Valcanise it Make it non-inflammable Protect it from deterioration on exposure to air Make it thermosetting Valcanise it Make it non-inflammable Protect it from deterioration on exposure to air Make it thermosetting ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology 90% of the caprolactum is converted to nylon-6 on its condensation polymerisation in the reactor maintained at a temperature of __________ °C. 10-30 -5 250-280 500-600 10-30 -5 250-280 500-600 ANSWER DOWNLOAD EXAMIANS APP
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