Final

Question 1

7 Elements of Textiles

Answer 1

1. Fiber, 2. Yarn, 3. Fabric ( finish ), 4. Gray goods (Color), 5. Construction, 6. Weight (comfort), 7. Quality (fineness)

Question 2

Basic Burn Results

Answer 2

Cellulose
-smells like burning paper/wood, ash residue or black bead
Protein
-smells like burning hair/vinegar, beads or black ash
Chemical
-smells like celery/sweet chemical,all black/brown beads

Question 3

Weight Categories

Answer 3

Very lightweight: below 1
Lightweight: 2-4
Medium: 5-7
Heavy: 9-11
Very Heavy: above 14

Question 4

Define colorfastness

What is it’s affect on Bleach

Answer 4

• the ability to keep its original color

- use test like cracking,washing,perspiration,bleach,sunlight,and abrasion.

Question 5

What chemicals are used for fiber ID?

What is a positive result?

Answer 5

• Acetone, chlorine bleach

- positive result is it dissolves

Question 6

Class rating system for Flammability & Abrasion

Answer 6

Flammability
1,2,3 1A passes 2&3 don’t
Abrasion
5-1
5 no change
1 most severe (holes,loose threads)

Question 7

What fibers are stronger?

Answer 7

Man made Strongest

Natural- Silk is the strongest natural fiber because it’s a filament fiber

Question 8

Newton’s are used for which test?

What does it mean?

Answer 8

• used for the Elmendorf machine

- tests tearing and measurement of force

Question 9

What is Materism?

Answer 9

• Different light sources on fabric
• Different light sources , Different light sources on dye lots, shading or construction
• use different Macbeth light setting to test

Question 10

What is a multi fiber strip?

How is it used?

Answer 10

• cloth of multi fibers used for standing and color changing scale
• used in a perspiration test

Question 11

What are control swatches?

Why/how are they used?

Answer 11

• they are unaltered constant fabric swatches

- used in colorfast tests

Question 12

3 Basic Weaves

Answer 12

1. Plain
Has best abrasion resistance 
Uses martindale
2. Twill
Strongest weave with higher yarn twist
Uses Elmendorf
3. Satin
Uses universal machine
Best shine and luster

Question 13

General info

Answer 13

Abrasion Resistance-plain, drape-satin,luster-satin,tearing strength-twill, 1:1-plain. 1:2: twill, 4:1-satin

Question 14

Levels of shrinkage

Answer 14

2-3% WOVEN

5-6% KNIT

Question 15

What is crocking?

When is it an issue?

Answer 15

• when the fabric color transfers by rubbing

- an issue when the scale is 3 or less using the Macbeth lamp

Question 16

Study chart on page 95

Answer 16

Review

Question 17

Test to determine fiber

Answer 17

Silk-Protien, Cotton-Burn,Poly-?,Acatate-Acetone,Wool-Microscope