Polymer Technology Cross linked polymers formed from bi-and trifuctional groups in which cross-linkage in three dimensions via few chemical bonding across linear chains occur imparts to the polymer __________ properties. Thermosetting Elastometric Brittleness Thermoplastic Thermosetting Elastometric Brittleness Thermoplastic ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In condensation polymerisation as compared to addition polymerisation Generally only one monomer is involved No co-product is lost The monomers are unsaturated compounds The monomers contain two functional groups Generally only one monomer is involved No co-product is lost The monomers are unsaturated compounds The monomers contain two functional groups ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is an inorganic polymer? Silicones Teflon Bakelite Perspex Silicones Teflon Bakelite Perspex ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology A copolymer of vinyl and vinylidine chloride is called Treylene Saran Dacron Orlon Treylene Saran Dacron Orlon ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Dacron is a Condensation polymerisation product of hexamethylene diamine and adipic acid Condensation polymerisation product of dimethyl terephthalate (DMT) and ethylene glycol None of these Thermosetting material Condensation polymerisation product of hexamethylene diamine and adipic acid Condensation polymerisation product of dimethyl terephthalate (DMT) and ethylene glycol None of these Thermosetting material ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Styrene which is a monomer for the production of polystyrene, is commercially produced by the Catalytic dehydrogenation of ethyl benzene Fermentation of starch Dehydration of ethyl alcohol followed by hydrogenation Reacting ethylene oxide with acetal-dehyde Catalytic dehydrogenation of ethyl benzene Fermentation of starch Dehydration of ethyl alcohol followed by hydrogenation Reacting ethylene oxide with acetal-dehyde ANSWER DOWNLOAD EXAMIANS APP