Wool fibers should be cleaned with chemicals - ANSWER Products approved for wool
Which of the following carpet fibers is the most absorbent and requires longer dry time - ANSWER Wool
Cellulosic fibers are derived from - ANSWER Plants
Which of the following fibers are protein - ANSWER Wool, silk
A wool fiber may be used in a commercial building for what reason - ANSWER Low flammability
Which chemical will dissolve wool? - ANSWER Chlorine bleach
The most popular (currently) residential synthetic carpet fiber is - ANSWER Polyester
Nylon is most affected by what type of stains? - ANSWER Acid dyes
Fourth generation fibers contain what additive to improve soil and stain resistance? - ANSWER
Fluourochemical
Which fiber is most stain resistant? - ANSWER Olefin
Which fiber is least stain resistant? - ANSWER Nylon
Fifth generation carpets repel what type of stains? - ANSWER Acid dye
Synthetic fibers including stain resistant fifth generation fibers can be safely cleaned using a pH: -
ANSWER Below 10
, Olefin fibers, even in Berber loop construction: - ANSWER Crush easily
Pooling, watermarking, and shading: - ANSWER Is an apparent color change when the pile is bent and
the light refracts
When the primary and secondary backings separate it is called: - ANSWER Delamination
Backings made of a synthetic material cannot: - ANSWER Shrink
Woven carpets made with a natural yarn backing such as cotton or jute: - ANSWER Can shrink
Carpet styles Saxony, frieze, and plush are examples of: - ANSWER Cut pile
An olefin Berber carpet may be difficult to clean due to: - ANSWER The cleaning head bouncing on the
carpet and losing vacuum
The difference between real soil and apparent soil is: - ANSWER Apparent soul cannot be removed and
shows up as graying of the traffic lanes
The proper tool used by a professional installer to install stretch in carpet is a: - ANSWER Power stretcher
When vacuuming the technician should: - ANSWER Slow down the pull pass
Dry insoluble soil including sand, hair, skin, and dust accounts for: - ANSWER 74-79% of total soil
Dry insoluble soil is best removed by a: - ANSWER Vacuum
Soil suspension includes TACT/CHAT which stands for: - ANSWER Time, Agitation, Chemical, Temp
(chemical, heat, agitation, time)