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. Thermoplastic Brittleness Thermosetting Elastometric Thermoplastic Brittleness Thermosetting Elastometric ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Styrene which is a monomer for the production of polystyrene, is commercially produced by the Dehydration of ethyl alcohol followed by hydrogenation Fermentation of starch Reacting ethylene oxide with acetal-dehyde Catalytic dehydrogenation of ethyl benzene Dehydration of ethyl alcohol followed by hydrogenation Fermentation of starch Reacting ethylene oxide with acetal-dehyde Catalytic dehydrogenation of ethyl benzene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Molecular weight of polymers are in the range of 10 to 10³ 10²-10⁷ 10⁷-10⁹ 10⁹-10¹¹ 10 to 10³ 10²-10⁷ 10⁷-10⁹ 10⁹-10¹¹ ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermocole is a spongy, porous, rigid or flexible foamed plastic, obtained by blowing gas/air through molten Polyurathane Polystyrene Either B or C Saturated polyester Polyurathane Polystyrene Either B or C Saturated polyester ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology 90% of the caprolactum is converted to nylon-6 on its condensation polymerisation in the reactor maintained at a temperature of __________ °C. 10-30 -5 250-280 500-600 10-30 -5 250-280 500-600 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Elastomers are Exemplified by protein derivatives Having very high tensile strength and heat resistance Thermosetting material Having high flexural strength Exemplified by protein derivatives Having very high tensile strength and heat resistance Thermosetting material Having high flexural strength ANSWER DOWNLOAD EXAMIANS APP
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