Polymer Technology Nylon 6, 10 which is used for bristles making is superior to nylon 6, 6 due to its lower water absorption capacity, is a/an Polystyrene Polyisoprene Polyamide Polyester Polystyrene Polyisoprene Polyamide Polyester ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Nylon-66 compared to nylon-6 has Lower melting point All of these Higher hardness More abrasion resistant properties Lower melting point All of these Higher hardness More abrasion resistant properties ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following types of polymers has the strongest inter particle forces? Thermosetting polymers Thermoplastics Fibres Elastomers Thermosetting polymers Thermoplastics Fibres Elastomers ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In step growth polymerisation, generally only one type of reaction & some basic mechanism is involved. Step growth polymerisation reaction is not involved in the manufacture of Cross linked polystyrene Polyesters Polyamides Phenol formaldehyde resins Cross linked polystyrene Polyesters Polyamides Phenol formaldehyde resins ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is a natural polyamide fibre. Silk None of these Wool Cotton Silk None of these Wool Cotton ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Peptizers like aromatic mercaptans (e.g. thiophenes) are added in rubber to 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 Protect rubber goods from attack by oxygen & ozone present in the atmosphere ANSWER DOWNLOAD EXAMIANS APP
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