Quiz 3 Homework questions Flashcards
In the Munsell color system, the value refers to the color, e.g. red, blue, …
False
The red light is absorbed when visible light strikes the red fabric.
False
A person with normal color vision can see more than 20 million colors.
true
In the computer display, when you have 100% of the red, green, and blue phosphors, the screen is:
white
More women are color blind than men.
false
When you look at fabrics under different types of lights (e.g. tungsten, fluorescent, …) the colors will always look the same
false
Two people looking at the same fabric will always see the same color.
Question 7
false
The human eye has three types of color receptors, so it can only see 1000 colors.
false
Bleaching increases luster.
True
Stock dyeing
dye loose fibers
Solution dyeing
add pigment to the polymer and then extrusion spin fibers
cross dyeing
intentionally dyeing two different types of fibers to different shades
union dyeing
dye two different fibers to the same shade
Continuous dyeing requires small batches of fabric.
false
Dyeing is the intentional application of color to fabric, whereas staining may be accidental or intentional.
True
Which of followings are characteristics of Dyeing as compared to Pigment printing?
Not all fabrics can be dyed by same dyes
Colorants (i.e., dye) diffuses into fibers
The process of ___(A)___ is slow, whereas the process of ___(B)___ is comparatively faster.
(A) Skein dyeing, (B) Package dyeing
When we dye a fabric (3000g), a 60000ml dye solution will be used. Please calculate the liquor ratio.
20:1
While preparing a fabric to dye to a dark shade, you would use a (half or full) bleach?
half
“Preparation” for dyeing and printing includes scouring and bleaching the fabrics or fibers.
true
Colorants are used to impart color to a textile.
true
