Polymer Technology
Thermocole (expanded polystyrene) is not used for

Packing of delicate electronic gadgets
High temperature thermal insulation in furnaces
Accoustic control and ceiling for building
Low temperature thermal insulation as in refrigerator and air conditioners

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Polymer Technology
Pickout the wrong statement.

The intermoleculer forces in ther-mosplastic polymers are intermediate to that of elastomers & fibres
Vulcanised rubber is more elastic than natural rubber
Polymers made of more than one monomer is called copolymer or mixed polymer
Polymers made of only one monomer is called homopolymer

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