Polymer Technology The synthetic fibres produced from __________ are known as rayon. Lignin Ethylene glycol Cellulose Polyamides Lignin Ethylene glycol Cellulose Polyamides 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 Pipes Filaments Tubings Buckets Pipes Filaments Tubings Buckets ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Synthetic rubber Deforms, if stretched to double of its original dimension Is brittle at low temperature Is softer at higher temperature Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases Deforms, if stretched to double of its original dimension Is brittle at low temperature Is softer at higher temperature Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polyvinyl chloride (PVC) Uses either emulsion or suspension polymerisation methods Softening temperature is 200°C Is produced by polycondensation reaction Can be made thermosetting by adding a plasticiser Uses either emulsion or suspension polymerisation methods Softening temperature is 200°C Is produced by polycondensation reaction Can be made thermosetting by adding a plasticiser 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. Polyester Polyacrylonitrile Nylon Polypropylene Polyester Polyacrylonitrile Nylon Polypropylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Trade name of __________ is neoprene. Polytetraflouroethylene Polychloroprene Polyisoprene Poly vinyl acetate Polytetraflouroethylene Polychloroprene Polyisoprene Poly vinyl acetate ANSWER DOWNLOAD EXAMIANS APP
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