Polymer Technology Polycaprolactum is Nylon-66 Nylon-6 Dacron Rayon Nylon-66 Nylon-6 Dacron Rayon ANSWER DOWNLOAD EXAMIANS APP
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 Polypropylene Nylon 6:6 Polyester Acrylic Polypropylene Nylon 6:6 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Nylon-66 compared to nylon-6 has All of these More abrasion resistant properties Lower melting point Higher hardness All of these More abrasion resistant properties Lower melting point Higher hardness ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Epoxy resins (i.e., epoxide polymers) Contain an epoxy group ( ##### ) at the ends of the polymer Are made by addition polymerisation reaction only Use emulsion polymerisation methods Are cross-linked polymers only Contain an epoxy group ( ##### ) at the ends of the polymer Are made by addition polymerisation reaction only Use emulsion polymerisation methods Are cross-linked polymers only ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Poly Vinyl chloride (PVC) is a __________ material. Chemically active Fibrous Thermosetting Thermoplastic Chemically active Fibrous Thermosetting Thermoplastic ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Flexible foam (for mattresses) are usually made of PVC Silicone rubber Polyurethanes Polyamides PVC Silicone rubber Polyurethanes Polyamides ANSWER DOWNLOAD EXAMIANS APP
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