The glass transition temperature of nylon 6 is

In the context of viscose fibre production, choose the correct statement

A filament yarn of 300 denies is being spun at a take up speed of 1200 m/min. Assuming the density of the melt as 1.2 g/cm3, the throughput speed of 1200 m/min. Assuming the density of the melt as 1.2 g/cm³, the throughput speed (cm³/min) at the spinneret would be

Crimp cutting of synthetic filaments are done for

Drawing of synthetic filament does not lead to an increase in

Surging defect in yarns occurs in false twist texturising due to variation in