Textile Engineering > GATE 2016 > Ring Spinning
The final yarn count required from a ring frame is 36s Ne with 28 TPI. The twist contraction during spinning is 3%. If the feed roving count is 2s Ne, the mechanical draft required in the ring frame will be

Correct : 18.40: 18.65

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yarn count calculation ring frame textile engineering GATE Textile Engineering 2016 mechanical draft calculation yarn count contraction textile engineering gate ring frame drafting yarn count conversion

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