Polymer Technology Condensation polymerisation of caprolac-tum is carried out in the reactor maintained at a temperature of __________ °C for producing nylon-6. 50 to 75 250-280 100 to 150 -20 to 25 50 to 75 250-280 100 to 150 -20 to 25 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In a cross linked polymer, the monomeric units are linked together to constitute a three dimensional network. Which of the following is a cross-linked polymer? Polyester Polythene Bakelite (phenol formaldehyde) Nylon-6 Polyester Polythene Bakelite (phenol formaldehyde) Nylon-6 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following polymers shows the highest anti-tacking properties? Alkyd resin Phenolic resin Melamine formaldehyde resin Epoxy resin Alkyd resin Phenolic resin Melamine formaldehyde resin Epoxy resin ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The physical state in which polymers exist is Amorphous glassy state Melts & rubber like state Partially crystalline state All of these Amorphous glassy state Melts & rubber like state Partially crystalline state All of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The only natural thermoplastic resin, which is a product of animal life is Amber Copal Rosin Shellac Amber Copal Rosin Shellac ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Alkyd resin can not be used for making Fibres Paint & varnish Plasticiser Film forming materials Fibres Paint & varnish Plasticiser Film forming materials ANSWER DOWNLOAD EXAMIANS APP