Polymer Technology Plastic articles are normally produced by __________ moulding. Green sand Dry sand Shell Injection Green sand Dry sand Shell Injection ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Styrene which is a monomer for the production of polystyrene, is commercially produced by the Catalytic dehydrogenation of ethyl benzene Reacting ethylene oxide with acetal-dehyde Fermentation of starch Dehydration of ethyl alcohol followed by hydrogenation Catalytic dehydrogenation of ethyl benzene Reacting ethylene oxide with acetal-dehyde Fermentation of starch Dehydration of ethyl alcohol followed by hydrogenation ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Most commonly used rubber vulcanisation agent is Sulphur Alumina Bromine Platinum Sulphur Alumina Bromine Platinum ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Celluloid is Cellulose nitrate Cellulose acetate butyrate Regenerated cellulose Cellulose acetate Cellulose nitrate Cellulose acetate butyrate Regenerated cellulose Cellulose acetate ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a polyolefin? Polystyrene Neoprene None of these Polypropylene Polystyrene Neoprene None of these Polypropylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Poly Vinyl chloride (PVC) is a __________ material. Thermosetting Fibrous Chemically active Thermoplastic Thermosetting Fibrous Chemically active Thermoplastic ANSWER DOWNLOAD EXAMIANS APP
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