GATE (TF) Textile 2012 Question Paper Solution | GATE/2012/TF/42

Question 42 (Textile Engineering & Fibre Science)

Sizing of single cotton yarn leads to an increase in

(A)Strength and extensibility but decrease in bending rigidity and hairiness
(B)Strength and bending rigidity but decrease in extensibility and hairiness
(C)Strength and hairiness but decrease in extensibility and bending rigidity
(D)Bending rigidity and extensibility but decrease in strength and hairiness
Answer / Solution
[Show Answer]

Option B

Frequently Asked Questions | FAQs

How does yarn size affect yarn properties?

The yarn size or thickness has a significant impact on the properties of the yarn. Some of the ways in which yarn size affects yarn properties include:
Strength: Generally, thicker yarns are stronger than thinner yarns. This is because they have more fibers, which are twisted together more tightly. As a result, thicker yarns are better suited for heavy-duty applications where strength is important.
Durability: Thicker yarns are also more durable than thinner yarns, as they can withstand more wear and tear. This makes them ideal for use in items such as rugs, upholstery, and outdoor fabrics.
Softness: Thinner yarns tend to be softer than thicker yarns, as they have a smaller diameter and are less tightly twisted. As a result, they are often used in items such as clothing and bedding, where comfort and softness are important.
Drape: Thinner yarns also have better drape than thicker yarns, meaning that they hang and flow more smoothly. This makes them ideal for use in items such as curtains and lightweight clothing.
Absorbency: Thicker yarns can be less absorbent than thinner yarns, as they have less surface area relative to their weight. As a result, thinner yarns are often used in towels and other absorbent items.
Appearance: Thicker yarns can create a chunkier, more textured appearance, while thinner yarns can create a smoother, more uniform appearance. This can affect the overall look and feel of the finished product.

Overall, the yarn size is an important consideration when selecting yarn for a particular application, as it can impact the strength, durability, softness, drape, absorbency, and appearance of the finished product.

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