Polymer Technology Epoxy resin is An elastomer Not used for surface coating A polyester A good abrasive An elastomer Not used for surface coating A polyester A good abrasive ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ is a copolymer. PVC Polyrophylene Poly tetra flouro ethylene Nylon-66 PVC Polyrophylene Poly tetra flouro ethylene Nylon-66 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In condensation polymerisation as compared to addition polymerisation The monomers are unsaturated compounds No co-product is lost The monomers contain two functional groups Generally only one monomer is involved The monomers are unsaturated compounds No co-product is lost The monomers contain two functional groups Generally only one monomer is involved ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a natural polymer? Polysaccharides Polyisoprene Nucleic acids e.g. RNA and DNA Polyurethane Polysaccharides Polyisoprene Nucleic acids e.g. RNA and DNA Polyurethane ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polyvinyl chloride (PVC) 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 Can be made thermosetting by adding a plasticiser Uses either emulsion or suspension polymerisation methods ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is the most important rubber compounding ingradient which is used to improve wearing qualities of both natural rubber & SBR by imparting toughness? Phosphorous Carbon black Rosin Pine oil Phosphorous Carbon black Rosin Pine oil ANSWER DOWNLOAD EXAMIANS APP
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