Polymer Technology Molecular weight of polymers are in the range of 10 to 10³ 10⁹-10¹¹ 10⁷-10⁹ 10²-10⁷ 10 to 10³ 10⁹-10¹¹ 10⁷-10⁹ 10²-10⁷ 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 Extrusion Vulcanisation Calendering Mastication Extrusion Vulcanisation ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The synthetic fibres produced from __________ are known as rayon. Ethylene glycol Cellulose Polyamides Lignin Ethylene glycol Cellulose Polyamides Lignin ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Size range of polymer molecules varies from __________ metre. 10⁻⁴ to 10⁻⁷ 10⁻² to 10⁻⁵ 10⁻¹ to 10⁻² 10⁻⁸ to 10⁻¹⁰ 10⁻⁴ to 10⁻⁷ 10⁻² to 10⁻⁵ 10⁻¹ to 10⁻² 10⁻⁸ to 10⁻¹⁰ ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Epoxy resin is An elastomer A good abrasive A polyester Not used for surface coating An elastomer A good abrasive A polyester Not used for surface coating ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Addition polymerisation takes place either by a free radical mechanism or ionic machanism depending on the reagents used. Free radical polymerisation is catelyzed by __________ , which decompose to give free radicals. None of these Organic peroxides Hydroflouric acid Sulphuric acid None of these Organic peroxides Hydroflouric acid Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP