Polymer Technology Main constituent of natural rubber is Polystyrene Polyisoprene Polybutadiene Poly chloroprene Polystyrene Polyisoprene Polybutadiene Poly chloroprene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The rate controlling step in the manufacture of silicone rubber is the Condensation of siloxane to silicone None of these Initial hydrolysis of silicone monomer Polymer termination step Condensation of siloxane to silicone None of these Initial hydrolysis of silicone monomer Polymer termination step ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Epoxy resins (i.e., epoxide polymers) Contain an epoxy group ( ##### ) at the ends of the polymer Are cross-linked polymers only Use emulsion polymerisation methods Are made by addition polymerisation reaction only Contain an epoxy group ( ##### ) at the ends of the polymer Are cross-linked polymers only Use emulsion polymerisation methods Are made by addition polymerisation reaction only ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ practically possess no elasticity. Polysulphide rubber Epoxy resin Vulcanite or ebonite Spandex fibre Polysulphide rubber Epoxy resin Vulcanite or ebonite Spandex fibre ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Neoprene which is used for making shoe heels & belts is superior to natural rubber in its stability to aerial oxidation and resistance to oils & other solvents. The monomer used for making neoprene is None of these Isoprene Chlorophrene Chloroethane None of these Isoprene Chlorophrene Chloroethane ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Vulcanisation of rubber does not increase its Elasticity & water solubility Oxidation resistance Softness Weight & strength Elasticity & water solubility Oxidation resistance Softness Weight & strength ANSWER DOWNLOAD EXAMIANS APP
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