Four grams of polyester fibre of 1.5 denier with fibre density of 1.39 g/cm3 is packed in a chamber to make a 2 cm long plug of 3 cm diameter . Calculate
Question 7-B (Textile Engineering & Fibre Science)
Percentage change in the air flow rate of 1.5 denier fibres are replaced with the same mass of 1.2 denier fibres in the plug of the same size.