GATE (TF) Textile 2010 Question Paper Solution | GATE/2010/TF/04

Question 04 (Textile Engineering & Fibre Science)

A 5 cm long filament is drawn to 20 cm. The draw ratio is

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Frequently Asked Questions | FAQs

What is draw ratio?

In textiles, the draw ratio refers to the ratio of the final length of a fiber or yarn to its original length. It is typically used to describe the stretching or elongation that occurs during the spinning or drawing process in the production of textile fibers or yarns.
During the spinning process, fibers are drawn out and twisted to form a yarn. The draw ratio is the ratio of the length of the drawn-out fiber or yarn to its original length before it was stretched. For example, if a fiber was originally 10 cm long and it is drawn out to a length of 50 cm during spinning, the draw ratio would be 5:1.
The draw ratio can affect the properties of the resulting yarn, including its strength, elongation, and fineness. A higher draw ratio generally results in a stronger and finer yarn, but it may also reduce the yarn’s elasticity and increase its stiffness. The draw ratio is an important factor to consider in the production of high-quality textiles.

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