Polymer Technology Thermosetting polymers as compared to thermoplastic polymers Have linear structure Are formed by addition polymerisation None of these Have three dimensional structure Have linear structure Are formed by addition polymerisation None of these Have three dimensional structure ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Styrene butadiene rubber (SBR) as compared to natural rubber has All of these Greater amount of heat build up heavy loading Poorer resistance Poor tensile strength All of these Greater amount of heat build up heavy loading Poorer resistance Poor tensile strength ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polyvinyl chloride (PVC) 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 Uses either emulsion or suspension polymerisation methods Softening temperature is 200°C Is produced by polycondensation reaction ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Unbreakable crockeries are made from __________ polymers. Polyurathane Melamine Polystyrene Polystyrene Polyurathane Melamine Polystyrene Polystyrene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In condensation polymerisation as compared to addition polymerisation 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 Generally only one monomer is involved No co-product is lost ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cellulose content in bomboo fibre is about __________ percent. 50 20 85 10 50 20 85 10 ANSWER DOWNLOAD EXAMIANS APP