QUESTIONS AND VERIFIED SOLUTIONS
GRADED A+
⩥ 2. Natural fibers (rayon, cotton, linen) absorb water and other
substances more easily than synthetic fibers, so they --- more slowly and
--- more easily.. Answer: 1) Dry 2) Stain
⩥ 3. The cotton plant produces fibers from the --- --- of the plant..
Answer: Seed Pod
⩥ 4. Lignin is the binder in cellulose materials that dissolves in water to
cause stains Called ---- ----.. Answer: Cellulosic Browning
⩥ 5. The flax plant produces --- fibers from the --- of the plant.. Answer:
1) Linen 2) Stem
⩥ 6. Linen is a natural fiber that easily absorbs water and darkens in
color from water based solutions, making --- procedure more difficult..
Answer: Cleaning.
⩥ 7. Rayon is a man-made fiber manufactured with cellulose, so it
should be --- like cellulose materials.. Answer: Cleaned
,⩥ 8. Rayon is loses much of its strength when --- so it tends to shrink..
Answer: Wet
⩥ 9. Rayon is a man-made fiber manufactured with cellulose materials
that are dissolved in --- ---.. Answer: Alkaline Products
⩥ 10. Alkaline residues and over wetting could result in --- in rayon
fibers.. Answer: Browning
⩥ 11. Fibers that easily absorb water and should not be over wetted are:
--- and ---.. Answer: 1) Rayon 2) Cotton
⩥ 12. Acetate fibers will dissolve in solvent-based chemicals containing
---.. Answer: Acetate
⩥ 13. Always clean --- fibers with cleaning products specifically
formulated for --- fibers, because they are damaged by high alkaline
cleaning products.. Answer: 1) Wool 2) Wool
⩥ 14. Two fibers are protein fibers being made from animals or insect: --
- and ---.. Answer: 1) Wool 2) Silk
⩥ 15. Alkaline solutions damage the outer layer of the wool fiber which
is known as the ---.. Answer: Cuticle
, ⩥ 16. The protein fiber that comes from the cocoon of worms is ---..
Answer: Silk
⩥ 17. Silk is damaged by --- making it brittle.. Answer: Perspiration
⩥ 18. Polyester fibers used in upholstery release water readily and do
not absorb water easily so polyester dries ---.. Answer: Quickly
⩥ 19. Microfibers are usually manufactured from --- fibers.. Answer:
Polyester
⩥ 20. Oleophilic fibers attract oily soils which cause yellow
discoloration. Both --- and --- fibers are oleophilic.. Answer: 1) Polyester
2) Olefin.
⩥ 21. Polypropylene is another name for --- fibers.. Answer: Olefin.
⩥ 22. Delustered --- is sensitive to sunlight and is damaged by
prolonged sunlight exposure.. Answer: Olefin
⩥ 23. The solution dyeing process for acrylic fibers helps them resist ---
.. Answer: Bleaching