List of top Textile Engineering and Fibre Science Questions on Principles of ginning

A plied yarn is prepared by twisting two single yarns (A and B). Yarn A has a mean count of 20 tex and a coefficient of variation (CV) of count of 20 %. Yarn B has a mean count of 30 tex and a CV of count of 10%. Neglecting twist contraction during plying, the CV (%) of the count of the plied yarn (in integer) is___

A plain woven fabric with square construction, prepared from yarns of 0.2 mm diameter, has a fractional cover of 0.7. The distance (mm) between the two adjacent ends (rounded off to 2 decimal places) is____