Polymer Technology Which of the following low molecular weight ( PVC Cellulose acetate Polyvinyl acetate Thiokol PVC Cellulose acetate Polyvinyl acetate Thiokol ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Diphenylamine is added to rubber to Make it thermosetting Valcanise it Protect it from deterioration on exposure to air Make it non-inflammable Make it thermosetting Valcanise it Protect it from deterioration on exposure to air Make it non-inflammable ANSWER DOWNLOAD EXAMIANS APP
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 Polycondensation reaction of polymerisation Does not need any catalyst Does not produce linear polymers Produces only thermoplastic material Produces epoxy polymers Does not need any catalyst Does not produce linear polymers Produces only thermoplastic material Produces epoxy polymers ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a natural polymer? Polyisoprene Nucleic acids e.g. RNA and DNA Polyurethane Polysaccharides Polyisoprene Nucleic acids e.g. RNA and DNA Polyurethane Polysaccharides ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ is an addition polymer Nylon None of these Polythene Bakelite Nylon None of these Polythene Bakelite ANSWER DOWNLOAD EXAMIANS APP
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