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Details

FSH 634 Midterm
Textiles and Other Raw Materials
63
Other
Not Applicable
10/22/2012

Additional Other Flashcards

 


 

Cards

Term
All natural fibers, except for ______ are staple-length fibers.
Definition
silk
Term
abrasion resistance: how well a fiber resists damage from ______.
Definition
rubbing
Term

What is the most common fiber used in the world today?

a. polyester

b. linen

c. cotton 

Definition
cotton
Term
What type of manufactured fibers are made from reprocessed cellulose?
Definition
artificial fibers
Term

What are the 3 ways that manufactured fibers are modified? 

sh---

add-----s

ch-----y

Definition

shape

additives

chemistry

Term
Which cellulosic fiber is the strongest?
Definition
linen
Term

Which protein fiber is the finest and most expensive? Where is it from? 

 

It is known as "the golden fleece".

Definition

vicuna

Peru

Term

How many meters of silk can be produced from one cocoon? 

a. 300

b. 3,000

c. 30

Definition
3,000
Term

Which manufactured fiber:

-was introduced to the U.S. in the 1960's

-is always blended with other fibers

-is always in filament form

-replaced a natural fiber made from rubber trees

Definition

spandex (U.S.)/elastane (Europe)

 

Term
Spun yarns are made of _______ fibers.
Definition
staple
Term
All fibers (except for spandex/elastane, which is always in filament form) can be made into a ________ yarn.
Definition
spun
Term

Which type of yarns are

-grouped and lightly twisted

-smooth and slippery

-stronger (than the other type)

-cooler (than the other type)

-get their strength from their length, not their twist

 

Definition
filament yarns
Term

Which type of yarns are

-the old kind

-fuzzy, hairy

-warmer (than the other kind)

-weaker (than the other kind)

and can be made out of any fiber other than spandex.

Definition

spun yarns

 

 

Term
What does TPI stand for?
Definition
turns per inch
Term

True or false

Twist direction (S or Z) affects the strength and durability of a yarn.

Definition
False.
Term
What do you call one strand of twisted fibers?
Definition
a single yarn
Term
What do you call multiple strands of twisted fiber? 
Definition
ply yarn
Term

Which of these twists is weaker and fluffier than the others? 

-soft twist

-medium twist

-hard twist

Definition
soft twist
Term

Which type of yarn twist is the most common? An example of products made with yarns twisted thusly are jeans, shirts and bedding.

Soft, medium, or hard?

Definition
medium twist
Term

Which type of yarn twist is often stronger than the other two, and can give fabrics and interesting texture? An example of such fabric is crepe.

Soft, medium or hard?

Definition
hard twist
Term

What type of yarn twist do the following yarns have:

Bouclé, chanille, crêpe, and tweed?

 

Definition
hard twist 
Term

Charmeuse

Organza

Habotai

Chiffon and

Taffeta

are examples of ________

Definition
silk
Term

Silk fibers are easily damaged by

a. naughty children  b. silk worms

c. moths  d. sunlight 

Definition
sunlight
Term

Which cellulosic fiber has the longest staples? 

 

Clue: it's also the strongest fiber.

Definition
linen
Term
Pima, Egyptian and Sea Island are high-quality, long staple varieties of ________.
Definition
cotton
Term

What is the trade name for the manufactured fiber

-that is rather new (1996)

-is sourced from Eucalyptus trees in closed-loop facilities

-is washable and soft

-is usually in staple fiber form (and therefore made of spun yarns, of course)

-can be used in place of cotton

 

Definition

Tencel®

(The generic name is Lyocell.)

Term
What is the oldest manufactured fiber (1910)? 
Definition
viscose rayon
Term

If you want to make a wig, hair extensions, or a fake fur coat that will never ever ever ever break down, which oil-based (synthetic) fiber will you choose?

a. polyester  b. PTT  c. nylon   d. acrylic

Definition
acrylic
Term
If you want to manufacture a fiber with similar qualities to polyester, but is sustainable, what will you make? (Also imagine that you have a lot of corn, beets and sugar cane growing on your land.)
Definition

PTT

(or Sonora®)

Term
A polymer is a plastic that begins as a _______ and can solidify into different shapes.
Definition
liquid
Term
The adjective "thermoplastic" describes a fiber or material that can change its _________ when heated.
Definition
shape
Term
Why do people surround oil spills in the ocean with polyester booms?
Definition
Polyester absorbs oil, but not water.
Term

Which synthetic fiber

-is easily manufactured

-is a substitute for wool

-lasts forever and ever (bad for the Earth)

-is warm and soft

-is hydrophobic with pilling and static problems

Definition
acrylic
Term

What's true about ramie?

a. It's a natural fiber similar to hemp.

b. It's from China.

c. It doesn't feel good next to the skin.

d. It's sustainable.

e. All of the above.

 

Definition
All of the above.
Term

Which of these different modifications refers to mixing chemicals with a fiber solution?

a. shape

b. additives

c. chemistry

Definition
additives
Term

Which of these modifications refers to altering the molecule of a fiber? It is the most advanced way, and uses nano-technology.

a. shape  b. additives  c. chemistry

Definition
chemistry
Term

What type of artificial fiber has high luster, breaks down when wet, was made in the 1930's to compete with rayon, is made with the same chemical that's in clingwrap and film, has "vapor fading"?

a. bamboo rayon  b. modál  c. tencel  d. acetate

Definition
acetate
Term
What's called the first "easy-care" fiber, and was developed in the 1960's?
Definition
polyester
Term

If you want to make a shiny prom dress or bridesmaid's dress that will likely get sweat stains and isn't washable, what will you make it out of?

a. acetate  b. nylon  c. rayon  d. polyester

Definition
acetate
Term
Woven fabric is made by interlacing ______ sets of yarn at ______ angles.
Definition
two/right
Term
Which yarns are vertical?
Definition
warp
Term
Which yarns are horizontal?
Definition
weft (filling)
Term
Which direction of yarns must be stronger than the other because they are held in tension? 
Definition
Warp yarns must be stronger than weft yarns.
Term

If you have a selvage on both sides of the fabric, then you know you

a. have cut it incorrectly.

b. have the full length of the fabric.

c. are in love with the wrong person.

Definition
have the full length of the fabric
Term

What do you call the visual texture of the weave?

a. plain

b. basket

c. cross

d. grain

Definition
grain
Term
What are the three major examples of grains?
Definition

straight

cross

bias

Term

Which grain is the strongest, has no stretch, and is parallel to the selvage?

Straight, cross or bias?

Definition
straight
Term

Which type of grain is also called "off-grain," and is used to describe any other direction besides the other two grains in a woven. Example: shirt collars. 

Straight, cross, or bias?

Definition
bias
Term
Which type of grain is parallel to weft yarns?
Definition
cross
Term
Which type of grain has a natural stretch?
Definition
bias
Term

Measuring the ________ of a woven fabric is a good, general measure of a fabric quality.

a. fibers

b. density

c. weight

d. yarns

Definition
density
Term
Which synthetic fiber can be made from recycled bottles and old garments?
Definition
polyester
Term
What do you call fabrics with equal or nearly equal numbers of yarn in the warp and weft directions? Clue: their thread count can be expressed in just one number. 
Definition
balanced
Term

Sheeting or bedding is made from a fabric called _______, which is an example of a balanced fabric.

a. cotton lawn

b. cotton farm

c. cotton grass

d. cotton hay

Definition
cotton lawn
Term
Name two ways to make a woven fabric unbalanced.
Definition

different yarn sizes

different spacing between yarns

Term
How many plain weaves can you name? I'm thinking of six that Matthew said you must know.
Definition

lawn,  gauze, and duck (p.23)

organza, chiffon, and poplin (p.27)

Term
Name three types of plain weaves.
Definition
Square, ribbed and basket.
Term
Are square weaves balanced or unbalanced?
Definition
Balanced. They usually have the same number of warp and weft yarns.
Term
Are ribbed weaves balanced or unbalanced?
Definition
Unbalanced. They usually have different yarn sizes in either direction.
Term
Can a basket weave be 2 warp, 2 weft?
Definition
Yes. In basket weaves, multiple yarns travel together. 
Term

What are wool basket weave and silk noil "canvas" examples of?

 

Definition
Basket weaves. You can find a 2x2 basket weave on p. 37 and the silk noil "canvas" (which is 1x2) on p.45. 
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