The winding speed (difference 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

The winding speed (difference between bobbin speed and traveller speed

1.	The winding speed (difference 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
Answer» C. 180

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The winding speed (difference 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

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