Polymer Technology The major constituent of laminate of safety glass, which holds the broken glass, pieces in their places during accident (and thus minimises the danger from flying glass fragments) is Polyvinyl alcohol Polyvinyl acetale PVC Polyvinyl butyral Polyvinyl alcohol Polyvinyl acetale PVC Polyvinyl butyral ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymers are classified into four categories namely thermosetting, thermoplastic, elastomer and fibre depending upon their Magnitude of intermolecular forces Polymerisation mechanism Resistance to heat Molecular sizes Magnitude of intermolecular forces Polymerisation mechanism Resistance to heat Molecular sizes ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermoplastic resins usually Remain hard as long as they are hot Can not be reclaimed from waste Less brittle than thermosetting resins Permanent setting resins Remain hard as long as they are hot Can not be reclaimed from waste Less brittle than thermosetting resins Permanent setting resins ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Bakelite (phenol-formaldehyde) resin can not be used as Glass reinforced plastics Decorative paint Electrical insulation Decorative laminates Glass reinforced plastics Decorative paint Electrical insulation Decorative laminates ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Styrene butadiene rubber (SBR) is never used for making Front wheel tyres of aeroplanes (i.e., heavy duty tyres) Soles of shoes Gaskets Coated fabrics Front wheel tyres of aeroplanes (i.e., heavy duty tyres) Soles of shoes Gaskets Coated fabrics ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Density of high density polythene is about __________ gm/c.c. 0.95 0.99 1.18 1.05 0.95 0.99 1.18 1.05 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS