What is the function of a drafting roller in spinning?
A. To hold the fiber in place
B. To produce the desired twist in the yarn
C. To measure the length of the fiber
D. To control the thickness of the sliver
Answer:D
What is the function of a drafting roller in spinning?
A. To hold the fiber in place B. To produce the desired twist in the yarn C. To measure the length of the fiber D. To control the thickness of the sliver