Polymer Technology SBR is produced by the copolymerisation of butadiene & styrene by employing emulsion polymerisation. The weight ratio of styrene and butadiene is maintained at 1:3 1:2 3:1 2:1 1:3 1:2 3:1 2:1 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Addition polymerisation takes place either by a free radical mechanism or ionic machanism depending on the reagents used. Free radical polymerisation is catelyzed by __________ , which decompose to give free radicals. None of these Hydroflouric acid Sulphuric acid Organic peroxides None of these Hydroflouric acid Sulphuric acid Organic peroxides ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Phosphates (e.g., triceresyl, tributyl, tetrabutyl, tripheyl etc.) are added to polymers to act as Hardeners Transparency improver Anti-shrinkage agents Plasticisers Hardeners Transparency improver Anti-shrinkage agents Plasticisers ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polyurathane can not be used to make Coating and adhesive Thermal insulation in refrigerator Fibre reinforced plastic (FRP) Automobile cushion Coating and adhesive Thermal insulation in refrigerator Fibre reinforced plastic (FRP) Automobile cushion ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ scrap can be recycled & reutilised. Polythene None of these Epoxy resin Bakelite Polythene None of these Epoxy resin Bakelite ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polyvinyl alcohol is used as a Water soluble adhesive Textile fibre Non-sticky coating on frying pans Cation/anion exchanger Water soluble adhesive Textile fibre Non-sticky coating on frying pans Cation/anion exchanger ANSWER DOWNLOAD EXAMIANS APP
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