Polymer Technology __________ is normally used for the manufacture of refrigerator components and transistor parts. Polystyrene Polyurathene Polyester Polyproylene Polystyrene Polyurathene Polyester Polyproylene ANSWER DOWNLOAD EXAMIANS APP
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 The inter particle forces between linear chains in nylon-66 are __________ bonds. None of these Covalant Ionic Hydrogen None of these Covalant Ionic Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The only natural thermoplastic resin, which is a product of animal life is Amber Rosin Shellac Copal Amber Rosin Shellac Copal ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Epoxy resins (i.e., epoxide polymers) Are made by addition polymerisation reaction only Use emulsion polymerisation methods Contain an epoxy group ( ##### ) at the ends of the polymer Are cross-linked polymers only Are made by addition polymerisation reaction only Use emulsion polymerisation methods Contain an epoxy group ( ##### ) at the ends of the polymer Are cross-linked polymers only ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polyvinyl alcohol is used as a Non-sticky coating on frying pans Water soluble adhesive Textile fibre Cation/anion exchanger Non-sticky coating on frying pans Water soluble adhesive Textile fibre Cation/anion exchanger ANSWER DOWNLOAD EXAMIANS APP
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