Polymer Technology In condensation polymerisation as compared to addition polymerisation Generally only one monomer is involved No co-product is lost The monomers contain two functional groups The monomers are unsaturated compounds Generally only one monomer is involved No co-product is lost The monomers contain two functional groups The monomers are unsaturated compounds ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is generally not drawn into fibre? Saturated polyesters Polyamide Unsaturated polyesters Polyacrylonitrile Saturated polyesters Polyamide Unsaturated polyesters Polyacrylonitrile ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The major constituent of laminate of safety glass, which holds the broken glass, pieces in their places during accident (and thus minimises the danger from flying glass fragments) is Polyvinyl acetale PVC Polyvinyl butyral Polyvinyl alcohol Polyvinyl acetale PVC Polyvinyl butyral Polyvinyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following has the weakest intermolecular forces? Bakelite Polyisoprene Nylon-66 Polystyrene Bakelite Polyisoprene Nylon-66 Polystyrene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Softening point of high density polythene is about __________ °C. 205 165 85 135 205 165 85 135 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polyvinyl chloride (PVC) Can be made thermosetting by adding a plasticiser Uses either emulsion or suspension polymerisation methods Is produced by polycondensation reaction Softening temperature is 200°C Can be made thermosetting by adding a plasticiser Uses either emulsion or suspension polymerisation methods Is produced by polycondensation reaction Softening temperature is 200°C ANSWER DOWNLOAD EXAMIANS APP
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