Polymer Technology Peptizers like aromatic mercaptans (e.g. thiophenes) are added in rubber to Reduce its viscosity to permit easier processing Increase its viscosity Reduce the time of vulcanisation and quantity of vulcanising agent Protect rubber goods from attack by oxygen & ozone present in the atmosphere Reduce its viscosity to permit easier processing Increase its viscosity Reduce the time of vulcanisation and quantity of vulcanising agent Protect rubber goods from attack by oxygen & ozone present in the atmosphere ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is an inorganic polymer? Silicones Bakelite Perspex Teflon Silicones Bakelite Perspex Teflon ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cellulose content in bomboo fibre is about __________ percent. 50 10 20 85 50 10 20 85 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Transistor parts and refrigerator components are normally made of Polyurathane High density polythene Polyester Polystyrene Polyurathane High density polythene Polyester Polystyrene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermoplastic resins usually Less brittle than thermosetting resins Remain hard as long as they are hot Can not be reclaimed from waste Permanent setting resins Less brittle than thermosetting resins Remain hard as long as they are hot Can not be reclaimed from waste Permanent setting resins ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Main constituent of cotton fibre is Gelatine Lignin Cellulose Starch Gelatine Lignin Cellulose Starch ANSWER DOWNLOAD EXAMIANS APP