Chapter 3

Question 1

Natural plant fibers are made of

Answer 1

cellulose

Question 2

Cellulose can come from the

Answer 2

seeds, leaves, fruits, stems or roots of the plant

Question 3

Bast fibers

Answer 3

fibers made from cellulose found in stems

Question 4

Manufactured fibers

Answer 4

can be manufactured cellulosics and synthetics

Question 5

What kind of length can cultivated silk be?

Answer 5

Filament; it is the only natural fiber that can be filament

Question 6

All natural fibers are what length except for silk

Answer 6

staple fibers

Question 7

Protein fibers come from

Answer 7

animals

Question 8

The four categories of protein fibers are

Answer 8

silk, wool, fur and hair

Question 9

Silk doesnt have good body so it means it has good

Answer 9

drape

Question 10

Silk comes from the

Answer 10

silkworm and it is actually a moth

Question 11

Silk fiber contains the protein called

Answer 11

fibroin

Question 12

Wool and fur contain what kind of protein

Answer 12

keratin

Question 13

Hair fibers can come from

Answer 13

camel and goat

Question 14

low specific gravity, good resiliency, good absorbency, damaged by alkalis and chlorine bleach, damaged by dry heat and burns slowly and can self-extinguish are characteristics of which natural fiber category, good drape, good electrical conductor, good thermal retention

Answer 14

protein

Question 15

Cultivated/sericulture silk is made how

Answer 15

the pupa is killed with boiling water while it is in the cocoon and the hot water softens the cocooon so filament length fibers can be harvested

Question 16

Reeling

Answer 16

unwinding silk from the cocoon

Question 17

Wild silk is wild because

Answer 17

the fiber length can’t controlled and ends up short because the pupa breaks out the cocoon

Question 18

A common variety of wild silk is called

Answer 18

tussah silk

Question 19

Duoppioni silk is made how

Answer 19

it is produced when two silkworms spin a cocoon together

Question 20

Spun spilk

Answer 20

made from short fibers and feels like cotton to the touch

Question 21

Scroop

Answer 21

when silk is rubbed up against itself and produces a distinct rustle

Question 22

How do you care for silk?

Answer 22

only mild detergents, avoid sunlight, chlorine bleach can yellow the silk, sometimes water can leave spots

Question 23

Where can the finest Merion wool be harvested

Answer 23

In Austraulia from Merino sheep

Question 24

The wool fiber has 3 parts:

Answer 24

Medulla, cortex and cuticle

Question 25

The cuticle is responsible for what sensation

Answer 25

itchiness due to its scales

Question 26

Felting

Answer 26

when the fibers slide over one another, this can lead to shrinkage of the fabric

Question 27

Wool crimp contributes to

Answer 27

bulk and warmth cause it acts as an insulation

Question 28

Does wool have good elastic recovery?

Answer 28

Yes

Question 29

Wool needs to protected from what when storing it away

Answer 29

moths and carpet beetles

Question 30

Hair fibers have what main quality that distinguishes them from wool

Answer 30

luxury and have smoother and finer and longer fibers than wool

Question 31

Which natural fiber category does good absorbency, poor resilience, good conductor of electricity, flammable, good heat tolerance, lack of pilling, damaged by strong mineral acids but not alkalis, attacked by mildew, can be damaged by silverfish if heavily starched belong to?

Answer 31

Cellulosic fiber

Question 32

Cotton can be washed with what

Answer 32

strong detergent and bleach and not be damaged from it

Question 33

When cotton shrinks, it does not have good what?

Answer 33

Dimensional stability

Question 34

Flax can do what with moisture

Answer 34

Absorb it but also wick

Question 35

Flax can be washed how

Answer 35

with strong detergent and controlled chlorine bleach

Question 36

Ramie does not have good drape, it has good what

Answer 36

body. it is stiff but brittle

Question 37

Hemp doesn't need what to grow nicely without damage from pests

Answer 37

pesticides

Question 38

Bamboo is resistant to what that makes it great to wear without worry

Answer 38

microbes

Question 39

What feature does duoppioni silk have?

Answer 39

It has irregularity slubs in the fabric

Question 40

Fibers of cotton are collected from the

Answer 40

cotton boll

Question 41

Is cotton stronger when it is wet?

Answer 41

yes

Question 42

Linen is made from which fiber?

Answer 42

flax

Question 43

Pina comes from which part of the plant?

Answer 43

The leaf

Question 44

Silk Roving

Answer 44

silk that hasn't been twisted into yarn

Question 45

Muslin is what kind of good?

Answer 45

Greige good