Polymer Technology Which of the following is a polymer of hexamethylene diamine and adipic acid? Nylon-66 Nylon-6 Epoxy resin Nylon-6, 10 Nylon-66 Nylon-6 Epoxy resin Nylon-6, 10 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Plasticisers are high boiling liquids added to plastic polymers to impart toughness and flexibility at ordinary temperature. Which of the following is not a plasticiser? Esters of phthalic acid Tricresyl phosphate Ethylene glycol Stearic acid estors Esters of phthalic acid Tricresyl phosphate Ethylene glycol Stearic acid estors ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following has the weakest intermolecular forces? Polystyrene Nylon-66 Polyisoprene Bakelite Polystyrene Nylon-66 Polyisoprene Bakelite ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Typical solvent polymerisation reaction conditions for the production of high density polythene by Zeigler process is 7 kgf/cm² and 70 °C 7 kgf/cm² and 700°C 1 kgf/cm² (gage) and 70°C 1000 kgf/cm² and 100°C 7 kgf/cm² and 70 °C 7 kgf/cm² and 700°C 1 kgf/cm² (gage) and 70°C 1000 kgf/cm² and 100°C ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ is a thermosetting plastic. Polythene PVC Polystyrene Bakelite Polythene PVC Polystyrene Bakelite 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
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