GATE (TF) Textile 2004 Question Paper Solution | GATE/2004/TF/49

Question 49 (Textile Engineering & Fibre Science)

A two ply yarn has a resultant count of 18s Ne. Assuming 10% twist contraction during ply twisting the yarn count (Ne) of single yarns used for ply twisting was

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Option C is correct.
Resultant count of two ply yarn=18s Ne

Twist contraction=10%

Count of single yarn=?

Let, the ply yarn count before twiting=x



0.9 x =18

x=20s Ne

Let,single count used for doubling=N



N=40s Ne (Ans)

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