Polymer Technology Catalyst used in the production of high density polythene by low pressure Ziegler process is Nickel Molybdenum Platinum Aluminium triethyl activated with TiCl₄ Nickel Molybdenum Platinum Aluminium triethyl activated with TiCl₄ ANSWER DOWNLOAD EXAMIANS APP
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 Elastometric Thermosetting Brittleness Thermoplastic Elastometric Thermosetting Brittleness 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 Catalytic dehydrogenation of ethyl benzene Reacting ethylene oxide with acetal-dehyde Dehydration of ethyl alcohol followed by hydrogenation Fermentation of starch Catalytic dehydrogenation of ethyl benzene Reacting ethylene oxide with acetal-dehyde ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Melamine formaldehyde resin which has a very high anti tacking properties, is not used for the Electrical insulation purpose Strengthening of plaster of paris Decorative laminates Tanning of leather Electrical insulation purpose Strengthening of plaster of paris Decorative laminates Tanning of leather ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is a copolymer? PVC Bakelite Teflon Polythene PVC Bakelite Teflon Polythene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In a co-polymer, the repeating units contain two different monomers. Which of the following is a copolymer? PTFE Polycaprolactum PMMA Buna-S PTFE Polycaprolactum PMMA Buna-S ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS