Polymer Technology Size range of polymer molecules varies from __________ metre. 10⁻² to 10⁻⁵ 10⁻⁸ to 10⁻¹⁰ 10⁻¹ to 10⁻² 10⁻⁴ to 10⁻⁷ 10⁻² to 10⁻⁵ 10⁻⁸ to 10⁻¹⁰ 10⁻¹ to 10⁻² 10⁻⁴ to 10⁻⁷ ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymerisation of poly functional monomers produces polymers having Low melting point Good machanical strength None of these Low viscosity Low melting point Good machanical strength None of these Low viscosity ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is a polymer of hexamethylene diamine and adipic acid? Nylon-6 Epoxy resin Nylon-6, 10 Nylon-66 Nylon-6 Epoxy resin Nylon-6, 10 Nylon-66 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The process involved in converting rubber into a thin sheet or coating it on fabric is called Mastication Extrusion Calendering Vulcanisation Mastication Extrusion Calendering Vulcanisation ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In step growth polymerisation, condensation occurs in a stepwise manner with or without the elimination of smaller molecules. An example of step growth polymerisation product is Polypropylene Polybutadiene Terylene PVC Polypropylene Polybutadiene Terylene PVC ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Addition of stabiliser during PVC manufacture is done to Reduce the melt viscosity & glass transition temperature Improve its elasticity Prevent its thermal degradation Improve its impact strength Reduce the melt viscosity & glass transition temperature Improve its elasticity Prevent its thermal degradation Improve its impact strength ANSWER DOWNLOAD EXAMIANS APP