Polymer Technology Peptizers like aromatic mercaptans (e.g. thiophenes) are added in rubber to Reduce its viscosity to permit easier processing Reduce the time of vulcanisation and quantity of vulcanising agent Protect rubber goods from attack by oxygen & ozone present in the atmosphere Increase its viscosity Reduce its viscosity to permit easier processing Reduce the time of vulcanisation and quantity of vulcanising agent Protect rubber goods from attack by oxygen & ozone present in the atmosphere Increase its viscosity ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Branched chair polymers as compared to linear polymers have Higher tensile strength None of these Higher melting point Lower density Higher tensile strength None of these Higher melting point Lower density ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymers are None of these Micromolecules Macromolecules Sub-micromolecules None of these Micromolecules Macromolecules Sub-micromolecules ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polyvinyl alcohol is used as a Non-sticky coating on frying pans Water soluble adhesive Textile fibre Cation/anion exchanger Non-sticky coating on frying pans Water soluble adhesive Textile fibre Cation/anion exchanger ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The inter particle forces between linear chains in nylon-66 are __________ bonds. Covalant None of these Hydrogen Ionic Covalant None of these Hydrogen Ionic ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a natural fibre? Cotton Wool Silk Viscose rayon Cotton Wool Silk Viscose rayon ANSWER DOWNLOAD EXAMIANS APP
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