Polymer Technology Polymerisation of poly functional monomers produces polymers having Low viscosity None of these Good machanical strength Low melting point Low viscosity None of these Good machanical strength Low melting point ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Main constituent of cotton fibre is Cellulose Starch Lignin Gelatine Cellulose Starch Lignin Gelatine ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Styrene butadiene rubber (SBR) as compared to natural rubber has Poorer resistance Greater amount of heat build up heavy loading Poor tensile strength All of these Poorer resistance Greater amount of heat build up heavy loading Poor tensile strength All of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Peptizers like aromatic mercaptans (e.g. thiophenes) are added in rubber to 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 Reduce the time of vulcanisation and quantity of vulcanising agent Reduce its viscosity to permit easier processing Increase its viscosity ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology 90% of the caprolactum is converted to nylon-6 on its condensation polymerisation in the reactor maintained at a temperature of __________ °C. 10-30 500-600 250-280 -5 10-30 500-600 250-280 -5 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Temperature maintained in the emulsion polymerisation reactor for PVC manufacture is about __________ ° C. 250 500 -20 50 250 500 -20 50 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS