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 polymers shows the highest anti-tacking properties? Phenolic resin Alkyd resin Epoxy resin Melamine formaldehyde resin Phenolic resin Alkyd resin Epoxy resin Melamine formaldehyde resin ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The process involved in converting rubber into a thin sheet or coating it on fabric is called Calendering Mastication Vulcanisation Extrusion Calendering Mastication Vulcanisation Extrusion ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Addition of plasticisers to polymers results in partial neutralisation of intermolecular forces of attraction between the macro-molecules thereby increasing its Chemical resistance Flexibility Tensile strength All of these Chemical resistance Flexibility Tensile strength All of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Nylon-66 is a polyamide of Hexamethylene diamine and adipic acid Adipic acid and methyl amine Vinyl chloride and formaldeyde None of these Hexamethylene diamine and adipic acid Adipic acid and methyl amine Vinyl chloride and formaldeyde None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Rayon is a __________ fibre. Polyester Polyamide Natural Cellulosic Polyester Polyamide Natural Cellulosic ANSWER DOWNLOAD EXAMIANS APP