Polymer Technology Which of the following is not a natural fibre? Wool Cotton Viscose rayon Silk Wool Cotton Viscose rayon Silk ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Dacron is a/an Unsaturated polyester Polyester Polyamide Inorganic polymer Unsaturated polyester Polyester Polyamide Inorganic polymer 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. Organic peroxides Sulphuric acid Hydroflouric acid None of these Organic peroxides Sulphuric acid Hydroflouric acid None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology All thermoplastic, thermosetting & elastic materials can be processed in a extrusion machine, however it can not be used for the production of plastic Filaments Pipes Buckets Tubings Filaments Pipes Buckets Tubings ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermosetting resins/polymers as compared to thermoplastic ones are More brittle Easily reshaped & reused Formed by addition polymerisation only Soluble in all organic solvents More brittle Easily reshaped & reused Formed by addition polymerisation only Soluble in all organic solvents ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Due to its excellent permeability to air/gas and oxidation resistance, the tubes of automobile tyres is made of Cold SBR Butyl rubber Buna S Bunai N Cold SBR Butyl rubber Buna S Bunai N ANSWER DOWNLOAD EXAMIANS APP
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