Polymer Technology In a cross linked polymer, the monomeric units are linked together to constitute a three dimensional network. Which of the following is a cross-linked polymer? Bakelite (phenol formaldehyde) Polyester Nylon-6 Polythene Bakelite (phenol formaldehyde) Polyester Nylon-6 Polythene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Most of the plastics are safe to be used upto a maximum temperature of __________ °C. 150 100 450 350 150 100 450 350 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Liners of bags are usually made of Polyesters PVC Polythene Polypropylene Polyesters PVC Polythene Polypropylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Transistor parts and refrigerator components are normally made of High density polythene Polyurathane Polystyrene Polyester High density polythene Polyurathane Polystyrene Polyester ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Plasticisers are added to synthetic plastics to Impart flexibility Improve workability during fabrication Develop new improved properties not present in the original resin All of these Impart flexibility Improve workability during fabrication Develop new improved properties not present in the original resin All of these 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 Polyvinyl acetate Saturated polyester Viscose rayon Acrylic Polyvinyl acetate Saturated polyester Viscose rayon ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS