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 Tubings Filaments Pipes Buckets Tubings Filaments Pipes Buckets ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Density of low density polythene is about __________ gm/c.c. 0.91 0.38 0.56 0.81 0.91 0.38 0.56 0.81 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Commercial production of polypropylene employs __________ polymerisation. Bulk Solution Emulsion Suspension Bulk Solution Emulsion Suspension ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Low pressure Zeigler process of polythene manufacture Employs a pressure of 30 kgf/cm² Produces very low density polythene Achieves an yield of 95-98% based on ethylene Does not use any catalyst for polymerisation Employs a pressure of 30 kgf/cm² Produces very low density polythene Achieves an yield of 95-98% based on ethylene Does not use any catalyst for polymerisation ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Orlan fibre which is used as a wool sub stitute is Polyacrylonitrile An amorphous polymer A natural polymeric fibre Polymethylmethacrylate (PMMA) Polyacrylonitrile An amorphous polymer A natural polymeric fibre Polymethylmethacrylate (PMMA) ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermosetting resins/polymers as compared to thermoplastic ones are Soluble in all organic solvents Easily reshaped & reused Formed by addition polymerisation only More brittle Soluble in all organic solvents Easily reshaped & reused Formed by addition polymerisation only More brittle ANSWER DOWNLOAD EXAMIANS APP
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