CCT Carpet Fiber Identification & Construction 3

Question 1

Which fiber type is most susceptible to damage from alkaline cleaning solutions?

Accepted Answer

Wool and silk

Answer

Wool and silk are protein fibers that can be damaged, yellowed, or degraded by high-pH (alkaline) cleaning agents.

Question 2

A 'level loop' carpet construction means:

Accepted Answer

All loops are uncut and at the same height

Answer

Level loop (also called Berber loop) carpet has all uncut loops at a uniform height, creating a smooth, durable surface.

Question 3

What is 'face weight' in carpet specifications?

Accepted Answer

The weight of fiber per square yard in the pile only

Answer

Face weight measures only the pile fibers in ounces per square yard, excluding the backing, and is a key indicator of carpet density and durability.

Question 4

Which identification method is used to distinguish polyester from nylon in carpet fiber?

Accepted Answer

Burn test — polyester smells like sweet burning plastic while nylon smells like celery

Answer

In the burn test, polyester produces a sweet, sometimes fruity burning plastic odor, while nylon produces a celery or chemical smell.

Question 5

What does 'tufting' refer to in carpet manufacturing?

Accepted Answer

Inserting yarn through a primary backing with needles

Answer

Tufting is the most common carpet manufacturing method, where needles insert yarn loops through a primary backing fabric at high speed.

(CCT) Carpet Cleaning Technician Certified Practice Test