finishing

Question 1

Which dyes can be applied on wool fibers?
A. Direct dyes, reactive dyes, vat dyes and metalcomplex dyes.
B. Metalcomplex dyes, acid dyes, chrome dyes and basic dyes.
C. Metalcomplex dyes, acid dyes, basic dyes and disperse dyes.

Answer 1

B. Metalcomplex dyes, acid dyes, chrome dyes, and basic dyes.

Question 2

How is the heather shade of a ‘Gabardine’ fabric created?
A. Due to fabric dying with at least 2 different dye classes.
B. Due to fiber dying in the sliver form, followed by blending
different colors.
C. Due to yarn dyeing with different colors in warp and weft
direction.

Answer 2

B. Due to fiber dyeing in the sliver form, followed by blending different colors.

Question 3

The exhaust ratio of the beam dyeing machine is depending on 2
factors, these are:
A. Dye affinity and material to liquor ratio.
B. Dye affinity and sublimation time.
C. Pick-up ratio and material to liquor ratio.

Answer 3

A. Dye affinity and material to liquor ratio.

Question 4

Which printing method are Ikat, Batik and Tie-dye examples of?

Answer 4

resist printing

Question 5

A fabric printed with chemicals that shrink the fabric, creating a thin, crinkled/ puckered fabric is called?
a. ausbrenner
b.changeant
c.seersucker

Answer 5

Seersucker

Question 6

Which print-technique in combination with the mentioned fabric is possible?
a. cloque is only possible on cotton fabrics
b.metallic printing is only suitable for kitted fabrics
c. The weft yarns from a warp printed fabric, are always white.

Answer 6

The weft yarns from a warp printed fabric, are always white.

Question 7

What is the correct order of printing steps for discharge printing

a. Dyeing > drying > printing > printing discharge paste > washing > drying
b. printing discharge paste> drying steaming
c. printing discharge paste> drying> steaming> dyeing

Answer 7

Dyeing > drying > printing > printing discharge paste > washing > drying

Question 8

What is a disadvantage of flatbed screen printing , compared to cylindrical/ rotary screen printing?

Answer 8

Flat bed screen printing is a discontinuous process

Question 9

The printing defect “glue streaks” could appear with?

Answer 9

screen printing

Question 10

Which methods are a combination of dyeing and printing?

Answer 10

discharge printing and resist printing

Question 11

How many screens have been used to produce the design below, by means of rotation and discharge? (lv picture)

Answer 11

1

Question 12

What is the trade name of the yarn printed fabric shown in the below figure?

Answer 12

Ikat

Question 13

What is the correct order of fabrication of a “chine” cloth?

a. dyeing of the warp yarns, followed by printing of the fabric
b. printing of the warp yarns, then after weaving printing the cloth
c.Printing of the warp yarns, followed by weaving.

Answer 13

Printing of the warp yarns, followed by weaving.

Question 14

A textile must be developed for extremely cold temperatures. Which of the three coating materials is the most suited?
a. PVC
b. silicone
c.PVDC

Answer 14

Silicone

Question 15

A new product has to be developed. UV resistance is of the utmost importance. Which material will have to be used?
A. acrylic
b.PP
c.rubber

Answer 15

acrylic