Textiles Exam 2

The most commonly used yarn size system for sewing threads is

Tex

When a yarn passes over two or more adjacent yarns, it is referred to as a

Float

Lengthwise yarns are known as

Warp

Floats in a fabric

Increase the potential for snags, are used to create color effects in woven and knit designs, are used to create a smooth, lustrous surface in a fabric like satin

Gingham fabric is a twill weave

False

Sateen is different from satin in that sateen is made from filament fibers and satin is made from spun fibers

False

Texturized filament yarns may have

Improved cover, increased elasticity, spun-yarn appearence

The word used to describe the size or weight of the filament yarns

Denier

The knitted fabric most used in lingerie is

Tricot

Raschel knits are

Warp knits

Laid in yarns in weft and warp knititing

Improve stability of knit fabrics

Warp knits, as compared to weft knits, are generally:

More stable than weft knits

Fashioning marks on knitted garment are:

An indication that it is better quality

Silver knitting is used to produce

Fake fur fabric

Rachel knitting can be used to make

Lace and open fabrics

Most weft knitting is circular knitting

True

Corduroy is an example of intricate pile knits

False

Purl knitting machines are the fastest method for producing weft knits

False

Jersey fabrics are the same on both sides

False

Knitted stripes in a weft fabric are usually horizontal stripes

True

A wale in a knit fabric is the vertical row of stiches

True

Most t-shirts are made from warp tricot

False

To make woven fabrics yarns are:

Interlaced

Gabardine fabric is usually made with a twill weave

True

Greige goods are fabrics with no color-nation or finish

True

Example of pile weave fabric

Terry cloth, velvet, corduroy

Comparing yarns for high twist with yarns of low twist

High twist is stronger

A potential garment performance problem related to the use of textured polyester yarn fabric is:

Snagging

Yarns that have interesting surface effects such as lumps and curls are called novelty yarns

True

Crepe twist yarns are yarns with very high twist

True

A course in a knit fabric is a horizontal row od stiches

True

“Selvage” is a term used to decribe

The finished edge of woven fabric

The lengthwise edge of the fabric is

Selvage

The most rapid and economical change that can be made on a loom is

Change the weft/filling yarn

The rapier can be used to carry the filling yarn across the shuttleless loom

True

The thinner yarns in a woven fabric are the filling yarns

False

Looms is the foundation for modern day computing

Jacquard loom

A reason for using plied spun yarns instead of singles is they…

Are stronger than singles when both are same size

Most textured yarns are produced from fibers that are

Thermoplastic

Combed yarn cotton is spun from fibers and satin that us

Long staple

Yarn that would result in the sheerest polyester chiffon is

30 denier yarn

Textured yarns are generally bright and lustrous

False

When two or mire fibers are present in a single spun yarn, it is called blended yarn

True

Spun yarns are generally smoother, stronger, and more lustrous that filament yarns

False

Fabrics made from the worsted yarns are softer and generally fuzzier than fabrics made from woolen yarns

False