GATE (TF) Textile 2016 Question Paper Solution | GATE/2016/TF/14

Question 14 (Textile Engineering & Fibre Science)

The filling yarn density at selvage is doubled in case of

(A)Fringe selvage
(B)Tucked-in selvage
(C)Shuttle selvage
(D)Leno selvage
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Frequently Asked Questions | FAQs

What are the selvages of woven fabric? | What are the types of selvages?

The selvages of a woven fabric are the finished edges of the fabric that run parallel to the warp threads. They are created by the weft yarns turning back at the end of each row of weaving and running back in the opposite direction. The selvages are usually stronger and more tightly woven than the rest of the fabric, as they have extra weft threads running along the edge to prevent fraying and provide stability.
The selvages can have several different appearances, depending on the type of loom used and the weaving technique. Some common types of selvages include:

Plain selvage: A plain selvage is the simplest type of selvage, created by simply folding the weft yarn back at the end of each row of weaving and continuing in the opposite direction.

Leno weave selvage: A lenoweave selvage is created by using an extra weft yarn to wrap around the edge of the fabric at the end of each row of weaving. This creates a dense, tightly woven edge that is resistant to fraying.

Taped selvage: A taped selvage is created by folding over the edge of the fabric and sewing it in place with a narrow strip of tape. This creates a neat, finished edge that is suitable for garments and other applications where the selvage will be visible.

Fringed selvage: A fringed selvage is created by leaving the weft yarns at the edge of the fabric loose and uncut. This creates a decorative fringe along the edge of the fabric that can be left as is or trimmed to a uniform length.

The selvages of a woven fabric are an important consideration when designing and cutting the fabric for a garment or other project. They can affect the drape, durability, and appearance of the finished product, and should be taken into account when planning the layout of the fabric.

What is tuck in selvages?

A tuck-in selvage is a type of selvage that is created by folding over the weft yarns at the edge of the fabric and tucking them back into the fabric, creating a loop. This looped selvage provides additional strength and stability to the edge of the fabric, which can help prevent fraying and damage during the manufacturing process and in the final product.
The tuck-in selvage is created by weaving an extra length of weft yarn at the end of each row of weaving, and then folding this extra length over and tucking it back into the fabric. The looped selvage can be left as is, or it can be trimmed or finished with a binding or tape to create a more polished edge.
Tuck-in selvages are commonly used in the production of heavyweight fabrics, such as canvas, denim, and upholstery fabrics, where extra durability and strength are required. They are also used in fabrics that will be cut on the bias, as the looped selvage helps prevent stretching and distortion of the fabric.

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