Polymer Technology Polymers are classified into four categories namely thermosetting, thermoplastic, elastomer and fibre depending upon their Molecular sizes Magnitude of intermolecular forces Resistance to heat Polymerisation mechanism Molecular sizes Magnitude of intermolecular forces Resistance to heat Polymerisation mechanism ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Density of high density polythene is about __________ gm/c.c. 0.99 1.05 0.95 1.18 0.99 1.05 0.95 1.18 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 Buckets Pipes Tubings Filaments Buckets Pipes Tubings Filaments ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polyvinyl alcohol is used as a Non-sticky coating on frying pans Cation/anion exchanger Water soluble adhesive Textile fibre Non-sticky coating on frying pans Cation/anion exchanger Water soluble adhesive Textile fibre ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Elastomers are Having very high tensile strength and heat resistance Exemplified by protein derivatives Having high flexural strength Thermosetting material Having very high tensile strength and heat resistance Exemplified by protein derivatives Having high flexural strength Thermosetting material ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Most of the fibre forming polymers are crystalline in nature, one of the exceptions being __________ which is amorphous in nature. Polyacrylonitrile Nylon Polypropylene Polyester Polyacrylonitrile Nylon Polypropylene Polyester ANSWER DOWNLOAD EXAMIANS APP