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 Organic peroxides Hydroflouric acid Sulphuric acid None of these Organic peroxides Hydroflouric acid Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Paper like thin plastic articles can be produced by None of these Injection moulding Vacuum thermo forming Blow moulding None of these Injection moulding Vacuum thermo forming Blow moulding ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Neoprene is rendered non-inflammable, because of The absence of chlorine atoms in its monomer Its cross-linked structure Its linear chain structure The presence of chlorine atoms in its monomer The absence of chlorine atoms in its monomer Its cross-linked structure Its linear chain structure The presence of chlorine atoms in its monomer ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In case of wet spinning of polymers, the polymer solution is forced through spinnerates into, a coagulating bath to give a filament form. Wet spinning is not used in case of the __________ fibres. Acrylic Viscose rayon Polyvinyl acetate Saturated polyester Acrylic Viscose rayon Polyvinyl acetate Saturated polyester ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Nylon-66 compared to nylon-6 has Lower melting point All of these More abrasion resistant properties Higher hardness Lower melting point All of these More abrasion resistant properties Higher hardness ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Bristles of tooth brushes are made of Nylon-66 Nylon-6 PVC Polystyrene Nylon-66 Nylon-6 PVC Polystyrene ANSWER DOWNLOAD EXAMIANS APP
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