GATE (TF) Textile 2018 Question Paper Solution | GATE/2018/TF/25

Question 25 (Textile Technology & Fibre Science)

If wale constant and course constant for knitted fabrics are 4.2 and 5.46, respectively, then
the value of the loop shape factor, accurate to one decimal place, is __1.3__.

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Given in the question

Wale constant(Kw)=4.2

Course constant(Kc)=5.46

The loop shape factor=?

Formula:

Loop shape factor=Kc/Kw

=5.46/4.2

Loop shape factor=1.3 (Answer)

What is KC and KW in knitting? | What is wale constant and course constant in knitting?

In knitting, the wale constant and course constant are two measures that describe the density or tightness of the knitted fabric.

The wale constant refers to the number of wales, or vertical columns of stitches, per inch of the knitted fabric. It is also sometimes called the stitch density. The wale constant is determined by the gauge of the knitting machine or the size of the knitting needles used. A higher wale constant means that there are more wales per inch and the fabric is denser.

The course constant refers to the number of courses, or horizontal rows of stitches, per inch of the knitted fabric. It is also sometimes called the row density. The course constant is also determined by the gauge of the knitting machine or the size of the knitting needles used. A higher course constant means that there are more courses per inch and the fabric is denser.

The wale and course constants are important measures in knitting because they affect the overall quality and appearance of the fabric. Higher stitch and row density can result in a smoother, more even surface with better stitch definition, while lower stitch and row density can result in a looser, more open fabric with more drape. The wale and course constants can be adjusted by changing the knitting machine or needle size, or by using different yarns or stitch patterns.

What is knitted loop structure?

A knitted loop structure refers to the basic building block of a knitted fabric. It is created by interlocking loops of yarn, which are formed by pulling new loops of yarn through existing ones with a knitting needle or machine.
In a knitted loop structure, there are two types of loops: knit stitches and purl stitches. A knit stitch is formed by inserting the needle into the front of the loop from right to left, while a purl stitch is formed by inserting the needle into the back of the loop from right to left.