Polymer Technology
Nylon-66 is a polyamide of

Hexamethylene diamine and adipic acid
None of these
Vinyl chloride and formaldeyde
Adipic acid and methyl amine

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Polymer Technology
Thermocole (expanded polystyrene) is not used for

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

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