Polymer Technology Which of the following is generally not drawn into fibre? Polyamide Polyacrylonitrile Unsaturated polyesters Saturated polyesters Polyamide Polyacrylonitrile Unsaturated polyesters Saturated polyesters ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Phosphates (e.g., triceresyl, tributyl, tetrabutyl, tripheyl etc.) are added to polymers to act as Anti-shrinkage agents Hardeners Transparency improver Plasticisers Anti-shrinkage agents Hardeners Transparency improver Plasticisers 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 Polypropylene Acrylic Nylon 6:6 Polyester Polypropylene Acrylic Nylon 6:6 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following polymers shows the highest anti-tacking properties? Phenolic resin Melamine formaldehyde resin Epoxy resin Alkyd resin Phenolic resin Melamine formaldehyde resin Epoxy resin Alkyd resin ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Celluloid is Cellulose acetate Cellulose nitrate Regenerated cellulose Cellulose acetate butyrate Cellulose acetate Cellulose nitrate Regenerated cellulose Cellulose acetate butyrate ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polycondensation reaction of polymerisation Produces epoxy polymers Produces only thermoplastic material Does not produce linear polymers Does not need any catalyst Produces epoxy polymers Produces only thermoplastic material Does not produce linear polymers Does not need any catalyst ANSWER DOWNLOAD EXAMIANS APP