Good luck! · 2013-10-09 · Question 1 Place the following fibers under the correct column: 8 p...

- 1 -

University college of Borås EXAMINATION The Swedish School of Textiles Form & Material

Teacher: Monik Nyrén 2012-10-10

FINAL EXAMINATION

Form & material

DAY: Wednesday, October 10th

MAX POINTS: 100 points

MIN POINTS: 50 points for passing grade

GRADE: PASS/FAIL (U/G)

Good luck!

Name/code:

___________________________________________

HÖGSKOLAN I BORÅS Sid. 2 (12)

Institutionen Textilhögskolan

Question 1 Place the following fibers under the correct column:

8 p

Cupro, anogra, lyocell, elastane, modal, jute, manilla, triacetate, coir,

aramid, polyamide, kapok, ramie, polypropen, mohair, tussahsilk.

Natural fibers Animal fibers Regenerated fibers Synthetic fibers

Question 2 Which of the following pictures is an example of a mercerized cotton fiber and which is a regular

2 p cotton fiber?

A) _____________________

B) ______________________



Question 3 What do the following care symbols mean? Explain in words and temperature in degrees C

6 p

_______________________________________________________________________________

_______________________________________________________________________________

-------------------------------------------------------------------------------------------------------------------------- (1p)

----------------------------------------------------------------------------------------------------------------------------- (1p)

------------------------------------------------------- (0,5p) Temperature in degrees C -------------------- (0,5p)

-------------------------------------------------------------------------------------------------------------------------- (1p)

Question 4 How do you describe this type of yarn?

2 p

1 ____________________________________________________

2 ____________________________________________________

Question 5 a) What is a staple fiber? Explain.

2 p b) Name one staple fiber. (a type of fiber “born” as a staple fiber, not converted into one).

a) _________________________________________________________________________

b) _________________________________________________________________________



Question 6 a) What is a filament fiber? Define.

2 p b) Name one filament fiber. (a typ of fiber “born” as a filament fiber, not converted into one).

a) _________________________________________________________________________

b) _________________________________________________________________________

Question 7 A polyester yarn is marked: tex 48 / f 24 / 1

3 p What does this yarn number mean? Explain each part of it

tex 48 : _________________________________________________________________________

f 24 : _________________________________________________________________________

1: _________________________________________________________________________

Question 8 Which of the following yarns is thinnest and which is thicket of the following three?

2 p The yarns are marked: Nm 20/2, Nm, 50/2, Nm 60/2, Nm 80/2, Nm 90/2, Nm 70/2, Nm 10/1

Thickest: ___________________________________________________________

Thinnest: ___________________________________________________________

Question 9 How do we divide textile materials according to their production methods?

3p

1)__________________________

2)__________________________

3)__________________________



Question 10 Which fiber is this as seen under the microscope?

1 p

Answer: _______________________________________

Question 11 What is a Microfiber according to its DEFINITION?

1 p

___________________________________________________________

___________________________________________________________

Question 12 What are the names of these two fibers?

2 p

Question 13 A polyester yarn is marked: dtex 144 / f 184 / 1

2 p What does this yarn number mean? Please explain.

___________________________________________________________

___________________________________________________________

___________________________________________________________

Question 14 Which are the four most important properties used as the categorizing basis for classifying cotton?

4 p

1) _______________________________________________________________________

2) _______________________________________________________________________

3) _______________________________________________________________________

4) _______________________________________________________________________

1)_______________________

2)_______________________



Question 15 a) Name one brand name for a polyester fiber.

10 p

b) What is the international abbreviation for lyocell?

c) What is the international abbreviation for acrylic?

d) Name one brand name for an elastane fiber?

e) Name one brand name for an acrylic fiber.

f) Name one brand name for an aramid fiber.

g) What is the international abbreviation for aramid?

h) What is the international abbreviation for wool?

i) Name one brand name for polyamide fiber.

j) What is the international abbreviation for silk?

a) ______________________________________________________

b) ______________________________________________________

c) ______________________________________________________

d) ______________________________________________________

e) ______________________________________________________

f) ______________________________________________________

g) ______________________________________________________

h) ______________________________________________________

i) ______________________________________________________

j) ______________________________________________________



Question 16 What are these two types of knitting SYSTEMS, not knitting stitches.

2 p

a) __________________________________________________TOP)

b) _____________________________________________BOTTOM)

Question 17 How do we classify wool fibers according to their diameter and length?

3 p

1) _______________________________________________________

2) _______________________________________________________

3) _______________________________________________________

Question 18 Which are the two properties we reach when we texture yarn?

2 p

1) ______________________________________________________

2) ______________________________________________________

Question 19 You are going to design a sports top to be worn to run the Gothenburg ½ marathon

(Göteborgsvarvet 2,1 mil) during the summer. Conditions: warm weather and hard physical activity

1 p What fiber content do you choose? Describe the contents in %.

2 p WHY do you choose this fiber content, give a short explanation:

A)

B)



Question 20 What are the names of the following man-made spinning methods?

6 p

a) 1)________________________ 1p 2)________________________ 1p 3)______________________ 1p

b) Name one fiber extruded according to each of the above spinning methods. 3p

1)________________________ 1p 2)________________________ 1p 3)______________________ 1p

Question 21 What is the definition of a TEXTILE MATERIAL?

1 p

Question 22 a) What does the abbreviation L.O.I stand for? (1p)

1 p

Answer: _________________________________________________________________________

Question 23 What does ”degumming” mean in terms of silk production?

1 p

Question 24 What is meant when we say that a textile material ”warms”?

1 p



Question 25 What is the name of the short, non-spinnable lengths of cotton fibers that are used as thr raw material

1 p for the production of regenerated fibers?

Answer:__________________________________________________

Question 26 Give one example of a regenerated fiber made from this raw material?

1 p

Answer:___________________________________________________

Question 27 Which man-made fiber is shown in the following pictures?

1p

Answer: ____________________________________________________________________

Question 28 What is the NAME of this yarn? _______________________________________________ (1 p)

2 p

What TYP of yarn is this? ____________________________________________________ (1 p)



Question 29 Describe the following fibers according to the identification work you have done during the

8 p microscopy lab.

CO

Look, feel, smell (1 p)

Microscopy (1 p)

Burning test (1 p)

Wet test (1 p)

WO

Look, feel, smell (1 p)

Microscopy (1 p)

Burning test (1 p)

Wet test (1 p)

Question 30 Name one that has the cross section for for each of the drawings bellow:

2 p

A B

A) ____________________________________(1p)

B) ____________________________________(1p)



Question 31 How do we divide KNITTED fabrics according to their production processes?

4 p

a) ____________________________ (1p) b) ____________________________ (1p)

How do we divide WOVEN fabrics according to their production processes?

a) ____________________________ (1p) b) ____________________________ (1p)

Question 32 What is lanolin?

1 p

_______________________________________________________________________________________ (1 p)

Question 33 What are the names of these three different yarns ACCORDING TO THE NUMBER OF

3 p STRANDS in each yarn:

A B C

a) _______________________________________(1p)

b) _______________________________________(1p)

c) _______________________________________(1p)

Question 34 We divide filament fibers into two different categories according to the number of fibers, which

2 p two categories?

a) ______________________________________________________________________

b) ______________________________________________________________________



Question 35 Name TWO texturizing methods for yarn:

2 p

a) _______________________________________________________________________

b) _______________________________________________________________________

Question 36 What registered trademark fiber is described in the following picture? Please be specific.!

1 p

Answer: ___________________________________ (1p)

Question 37 Which spinning process is described in the following picture?

1 p

Answer: _________________________________________________________ (1p)

Question 38 What is the name of the following fabric?

1 p

Answer: _____________________________________

Good luck! · 2013-10-09 · Question 1 Place the following fibers under the correct column: 8 p...

Documents

Transcript of Good luck! · 2013-10-09 · Question 1 Place the following fibers under the correct column: 8 p...