Fabric (unit 2)

Question 1

How is Fabric constructed?

Answer 1

Fabric is constructed by weaving, knitting or bonding
fibres and yarns together a

Question 2

What is fabric?

Answer 2

The material used to
make textile products.

Question 3

What are the 4 things the nature of fabric is effected by?

Answer 3

1. Fibre composition
2. Yarn structure
3. Choice of construction technique
4. choice of finish

Question 4

How is woven fabric constructed?

Answer 4

Weaving/interlacing two sets of yarns together under and over eachother to create fabric.

Question 5

What are the two sets of yarns used to construct woven fabric called?

Answer 5

The Warp and the Weft.

Question 6

Describe the direction of the two sets of yarns used to construct woven fabric.

Answer 6

The Warp runs vertically while the Weft runs horazontally.

Question 7

What are the properties of woven fabric determined by?

Answer 7

1. The type and quality of the fibre used
2. The type, strength and degree of twist of the yarn used
3. The type of weave used

Question 8

Name 3 types of weaves

Answer 8

1. Plain weave
2. Twill weave
3. Satin weave

Question 9

how is knitted fabric constructed?

Answer 9

The interlacing or looping of one or more yarn.

Question 10

What are the vertical and horizontal loops in knitting called?

Answer 10

Vertical loops are called whale while the horizontal loops are called course

Question 11

Name 3 ways in wich knitting can be produced.

Answer 11

1. Hand knitting (2 kneedles)
2. Domestic knitting
3. Machine knitting (industrial knitting)

Question 12

The interlock knit is also known as…

Answer 12

double knit

Question 13

Describe the interlock knit

Answer 13

two layers of knitting back to back

Question 14

How is non-woven fabric made?

Answer 14

converting fibres that have not undergone the spinning process into fabric
i.e. fibres are not formed into yarn and there is no grainline.

Question 15

What are some methods of making non-woven fabric?

Answer 15

1. Needle felting
2. Chemical bonding
3. Thermo bonding
4. Mechanical bonding

Question 16

What is a common construction method when making non-woven fabrics?

Answer 16

1. the formation of a web
2. the bonding of the web to hold fibres in place

Question 17

What will fibres with a stronger frictional force require to bond them?

Answer 17

pressure and agitation

Question 18

What will fibres that will slip past eachother require to bond them?

Answer 18

An adeheisive (spray, powder or pattern)

Question 19

What are geotextiles?

Answer 19

Polymer fabrics (chemical compounds made up of small molecules that are repeated to form a larger molecule)

Question 20

What are some ways geotextiles are used?

Answer 20

Maily civil engeneering purposes such as the constructionof roads, drains, harbour works and breakwaters as well as being used for land reclemation

Question 21

What are some properties of geotextiles?

Answer 21

1. Tensile strength
2. heat resistance
3. Impact strength
4. Elongation
   5.Stress crack resistance

Question 22

What are some uses or geotextiles?

Answer 22

1. Filtration
2. Drainage
3. Reinforcment
4. Cushioning
5. Waterproofing
6. Separation

Question 23

How are Laminates made?

Answer 23

s bonding multiple layers of materials together to form a composite

Question 24

What are some advantages of Laminates?

Answer 24

durable, more affordable, variety of finishes, easy maintenance.
Resistant to strains.

Question 25

Why are laminates made?

Answer 25

To make a composite that is stronger, more durable, and more functional than the individual components.

Question 26

What are some disadvantages of laminates?

Answer 26

Cannot repair, Cannot recycle, not as visually appealing, heat
sensitive (warp or melt)