Polymer Technology Celluloid is Cellulose acetate butyrate Cellulose acetate Regenerated cellulose Cellulose nitrate Cellulose acetate butyrate Cellulose acetate Regenerated cellulose Cellulose nitrate 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. Sulphuric acid None of these Hydroflouric acid Organic peroxides Sulphuric acid None of these Hydroflouric acid Organic peroxides ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In condensation polymerisation as compared to addition polymerisation The monomers contain two functional groups No co-product is lost Generally only one monomer is involved The monomers are unsaturated compounds The monomers contain two functional groups No co-product is lost Generally only one monomer is involved The monomers are unsaturated compounds ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Plastic tubes & pipes are generally made by __________ moulding. Extrusion Injection Transfer Compression Extrusion Injection Transfer Compression ANSWER DOWNLOAD EXAMIANS APP
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 2:1 1:2 3:1 1:3 2:1 1:2 3:1 1:3 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Buna-S is a __________ material. Rubbery Fibrous Resinous Plastic Rubbery Fibrous Resinous Plastic ANSWER DOWNLOAD EXAMIANS APP
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