Polymer Technology
Condensation of bisphenol A with phosgene produces __________ which possess very good heat resistance.

Polysulphone
Polycarbonate
Polyurathane
Polyester

ANSWER DOWNLOAD EXAMIANS APP

Polymer Technology
Thermocole (expanded polystyrene) is not used for

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

ANSWER DOWNLOAD EXAMIANS APP