Polymer Technology Most of the fibre forming polymers are crystalline in nature, one of the exceptions being __________ which is amorphous in nature. Polyacrylonitrile Polyester Nylon Polypropylene Polyacrylonitrile Polyester Nylon Polypropylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polyurathane can not be used for making Adhesives Coating material Mattresses & foam Bottles Adhesives Coating material Mattresses & foam Bottles ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is generally not drawn into fibre? Unsaturated polyesters Saturated polyesters Polyacrylonitrile Polyamide Unsaturated polyesters Saturated polyesters Polyacrylonitrile Polyamide ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ polythene is most prone to stress-cracking Low density High density Linear low density Cross-linked Low density High density Linear low density Cross-linked ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polypropylene is preferred to polythene, because the former is Both B & C Harder Non-inflammable Stronger Both B & C Harder Non-inflammable Stronger 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 Sulphuric acid Hydroflouric acid Organic peroxides None of these Sulphuric acid Hydroflouric acid Organic peroxides ANSWER DOWNLOAD EXAMIANS APP
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