Polymer Technology
Melt spinning of polymers involves the forcing of polymer melt through spinnerettes (fine holes) into an atmosphere kept at a temperature lower than the melting point of the polymer, which causes the fine diameter polymer melt to harden into filaments. Melt spinning is not used in case of the __________ fibres.

Polyester
Acrylic
Nylon 6:6
Polypropylene

ANSWER DOWNLOAD EXAMIANS APP

Polymer Technology
Thermocole (expanded polystyrene) is not used for

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

ANSWER DOWNLOAD EXAMIANS APP