Polymer Technology Polymers are Macromolecules None of these Micromolecules Sub-micromolecules Macromolecules None of these Micromolecules Sub-micromolecules 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. Polyvinyl acetate Viscose rayon Saturated polyester Acrylic Polyvinyl acetate Viscose rayon Saturated polyester Acrylic ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermoplastic resins usually Less brittle than thermosetting resins Can not be reclaimed from waste Remain hard as long as they are hot Permanent setting resins Less brittle than thermosetting resins Can not be reclaimed from waste Remain hard as long as they are hot Permanent setting resins ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Flexible plastic pipes are made of Polypropylene Low density polyethylene (LDPE) Unsaturated polyester High density polyethylene (HDPE) Polypropylene Low density polyethylene (LDPE) Unsaturated polyester High density polyethylene (HDPE) ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polyurathane can not be used to make Coating and adhesive Automobile cushion Thermal insulation in refrigerator Fibre reinforced plastic (FRP) Coating and adhesive Automobile cushion Thermal insulation in refrigerator Fibre reinforced plastic (FRP) 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