CARPET CLEANING TECHNICIAN STUDY EXAM QUESTIONS AND ANSWERS

CARPET CLEANING TECHNICIAN STUDY EXAM QUESTIONS AND ANSWERS 

What requires longer dry time-natural or synthetic? Why?
Natural; it is more absorbent
what is the chemical name for chlorine bleach?
Sodium Hydrochloride
where do protein fibers come from?
animals, insects
where do cellulosic fibers come from?
plants
name 2 protein fibers
wool/silk
name 2 cellulosic fibers
cotton and jute
what can cause cellulosic browning
mositure absorbed by cotton releasing lingin which will wick upwards and create brown
out
which cleaning materials will clean brown out better? Acid or Alkaline?
Acid
ability for carpet to retain it's shape and size
dimensional stability
when a material gets smaller
shrinkage
what is the oldest known carpet fiber
wool, 2000B.C.
ability for carpet to bounce back to original shape
resiliency
what fiber has natural resiliency
wool
what are the pH guidelines for wool?
4.5-8.5
what can damage wool carpets?
over agitation, insects, bleach, direct sunlight
which fiber is flame/fire resistant
wool/silk
which fiber is a synthetic replacement for wool
Acrylic
what are 3 examples of synthetic fibers
olefin, polyester, and nylon
what are synthetic fibers commonly known as
extruded fibers
what is a single strand of fiber
filament
what are the two designs of synthetic fiber
staple and continuous
one large continuous piece of synthetic fiber
Bulk continuous fiber(BCF)
synthetic fiber that is cut into small pieces about 6"-12" in length
staple fiber
when 2 or more filaments are twisted together
plied yarn single
what is the least absorbent synthetic fiber
olefin
what is another name for olefin
polypropylene
are olefin fibers heat sensitive
yes
do olefin fibers have good resiliency
no they have very low resiliency
what is olefin attracted to
oily soils
where should polyester carpet be installed?
due to low resiliency, it should be installed in low traffic areas
what is polyester carpet made from
recycled plastic bottles
compacted and tangled fibers
matting
ease of clean, more aggressive cleaning, don't exceed 10pH
Nylon Fiber

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