CCT Carpet Fiber Identification & Construction 5

Question 1

Which fiber is most prone to 'wicking' (browning that reappears after cleaning) due to its absorbent nature?

Accepted Answer

Jute or cotton backing fiber

Answer

Polypropylene

Answer

Nylon BCF

Answer

Polyester staple

Question 2

What is the function of antimicrobial treatments applied to carpet fiber during manufacturing?

Accepted Answer

To inhibit the growth of mold, mildew, and bacteria within the carpet

Answer

To increase the fiber's resistance to acid-based cleaners

Answer

To prevent the fiber from generating static electricity

Answer

To improve the carpet's UV colorfastness outdoors

Question 3

A 'cut and loop' carpet construction creates its pattern by:

Accepted Answer

Combining areas of cut pile tufts and uncut loop pile tufts at different heights

Answer

Using two different fiber colors woven in alternating rows

Answer

Cutting loops at two different heights using angled blades

Answer

Looping fiber around a raised mandrel and then cutting every other loop

Question 4

When identifying an unknown carpet fiber using chemical solubility, which solvent dissolves nylon but not polyester?

Accepted Answer

Formic acid or phenol

Answer

Acetone

Answer

Mineral spirits

Answer

Isopropyl alcohol

Question 5

Which term describes the number of yarn ends (pile yarns) per inch across the width of a tufted carpet?

Accepted Answer

Gauge

Answer

Pile height

Answer

Face weight

Answer

Density

Question 6

What is 'staple fiber' yarn in carpet construction, and what issue is it most associated with?

Accepted Answer

Short lengths of fiber spun and twisted into yarn; associated with shedding and fuzzing

Answer

Long continuous filaments twisted together; associated with pilling

Answer

Fiber bonded with latex adhesive; associated with delamination

Answer

Pre-dyed fiber segments; associated with color inconsistency

Question 7

A technician finds a carpet where bleach spotting causes no color change. This indicates the carpet is most likely:

Accepted Answer

Solution-dyed polypropylene or solution-dyed nylon

Answer

Wool with natural color protection

Answer

Nylon with a strong acid dye system

Answer

Polyester with topically applied stain protection