Fashion

Question 1

what is a fibre?

Answer 1

basic blocks of yarn

Question 2

what are yarns?

Answer 2

.

Question 3

What are natural fibres? example?

Answer 3

.

Question 4

what are synthetics?

Answer 4

made made, from chemicals - petroleum

Question 5

what happens when polyester meets waiter?

Answer 5

the water is not absorbs

Question 6

what happens when cotton meets water?

Answer 6

absorbs

Question 7

what does hydrophilic mean?

Answer 7

Water lover.

Absorbs water.

Question 8

Explain why t-shirts are made from 100% pure cotton?

Answer 8

the water can evaporate

Question 9

Why blend two fibres in one garment?

Answer 9

to capture the strengths of each fibre

Question 10

When was cotton first cultivated?

Answer 10

1700 AD

Question 11

Describe how the plants develop into cotton?

Answer 11

Picked > ginning > spun

Question 12

how is cotton harvested? How has this changed?

Answer 12

Highly Mechanical.

Stripped by machines > sent off > ginned > spun

Question 13

What does the ginning process do?

Answer 13

separate the cotton and the seeds

Question 14

How is cotton classed or graded?

Answer 14

the degree of whiteness, length.

Question 15

What is the average length of high-grade cotton fibres? what are they used for?

Answer 15

3/4 - 2 inch

Question 16

How much does cotton shrink?

Answer 16

3%

Question 17

What is wool made from?

Answer 17

Sheep > Protein

Question 18

Describe the best type of wool.

Answer 18

soft, springy, not brittle

Question 19

what is the basic process of wool manufacturing?

Answer 19

Sheering > Carting > Spun.

Question 20

What is unique about wool fibre? Why is the important in a strand of yarn?

Answer 20

the fibres lock and trap the warm air

Question 21

How much water can wool hold?

Answer 21

almost double its own weight

Question 22

what are the warp and the weft?

Answer 22

weft is pressed through a shuttle. Warp is raised.

Question 23

How is linen grown?

Answer 23

Flax plant

Question 24

How is the flax plant harvested?

Answer 24

the whole plant is removed from the ground

Question 25

How does the linen fibre compare to cotton?

Answer 25

the linen fibre is longer than cotton. (2inch >20inch)

Question 26

When is linen used?

Answer 26

Table, bed spreads, drapes, clothes.

Question 27

When was silk first cultivated and where?

Answer 27

In china over 5000 years ago

Question 28

how is silk manufactured?

Answer 28

silk worms are fed mulberry leaves, then once spun, boiled and threaded onto a machine

Question 29

Why does silk reflect light?

Answer 29

it reflects light because its long

Question 30

How is silk damaged?

Answer 30

deorderent, light, clorine

Question 31

Why is wild silk different from cultivated silk? What are the differences?

Answer 31

Wild silk has a different diet - a wider range of food, and is a yellow-brown colour

Question 32

What properties make polyester so appealing?

Answer 32

easy to wash, tough, crease resistant.

Question 33

What does polyester start as? Describe the manufacturing process.

Answer 33

Petroleum

Question 34

What are the main uses of nylon?

Answer 34

Tyres, stockings, veils, parachutes, rope, fishing line, tents.

Question 35

what is acrylic made from?

Answer 35

coal, air, limestone, oil, water