Question 39 (Textile Engineering & Fibre Science)
The winding speed (different between bobbin speed and traveller speed) of yarn in a ring frame is 200 rev/min when bobbin diameter is 28 mm. If the bobbin diameter is increased to 35 mm, the winding speed (rev/min) would be
| (A) | 140 |
| (B) | 160 |
| (C) | 180 |
| (D) | 200 |