Polymer Technology Which of the following is not a natural fibre? Wool Cotton Viscose rayon Silk Wool Cotton Viscose rayon Silk ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermoplastic resins usually Can not be reclaimed from waste Permanent setting resins Less brittle than thermosetting resins Remain hard as long as they are hot Can not be reclaimed from waste Permanent setting resins Less brittle than thermosetting resins Remain hard as long as they are hot ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Rayon is a __________ fibre. Natural Polyester Polyamide Cellulosic Natural Polyester Polyamide Cellulosic ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In case of dry spinning of polymers, the polymer solution in a volatile solvent is forced through the spinnerates into a warm air chamber, where the solvent evaporates leaving behind the polymer in the filament form. Dry spinning is used for __________ fibres. PVC Rayon Polyvinyl acetate Polythene PVC Rayon Polyvinyl acetate Polythene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The monomer of poly vinyl chloride (PVC) is Ethyl chloride Chloroform Ethylene dichloride Chloroethene Ethyl chloride Chloroform Ethylene dichloride Chloroethene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a natural polymer? Nucleic acids e.g. RNA and DNA Polyisoprene Polysaccharides Polyurethane Nucleic acids e.g. RNA and DNA Polyisoprene Polysaccharides Polyurethane ANSWER DOWNLOAD EXAMIANS APP