Polymer Technology Condensation polymerisation of __________ produces bakelite. Propylene Phenol & formaldehyde Urea & formaldehyde Phenol & acetaldehyde Propylene Phenol & formaldehyde Urea & formaldehyde Phenol & acetaldehyde 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 Protect rubber goods from attack by oxygen & ozone present in the atmosphere Increase its viscosity Reduce the time of vulcanisation and quantity of vulcanising agent Reduce its viscosity to permit easier processing Protect rubber goods from attack by oxygen & ozone present in the atmosphere Increase its viscosity Reduce the time of vulcanisation and quantity of vulcanising agent ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polycaprolactum (Nylon - 6) is produced by the condensation polymerisation of caprolactum at 240-280°C in which the conversion of caprolactum is about __________ percent. 90 50 99 75 90 50 99 75 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Alkyd resin can not be used for making Film forming materials Plasticiser Fibres Paint & varnish Film forming materials Plasticiser Fibres Paint & varnish ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermocole is a spongy, porous, rigid or flexible foamed plastic, obtained by blowing gas/air through molten Polyurathane Saturated polyester Either B or C Polystyrene Polyurathane Saturated polyester Either B or C Polystyrene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Condensation polymerisation is not involved in the manufacture of Polythene Teflon Terylene Nylon Polythene Teflon Terylene Nylon ANSWER DOWNLOAD EXAMIANS APP