CARPET CLEANING TECHNICIAN STUDY EXAM 2024 QUESTIONS AND ANSWERS
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CARPET CLEANING TECHNICIAN
Institution
CARPET CLEANING TECHNICIAN
CARPET CLEANING TECHNICIAN STUDY EXAM 2024 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
CARPET CLEANING TECHNICIAN
STUDY EXAM 2024 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
makes carpet with stain blocker turn yellow; can be seen with UV light
optical brighteners
how many generation of nylon
5
1st generation nylon
fillament was round
2nd generation of nylon
fillament was different shape
3rd generation of nylon
carbon fillament
4th generation of nylon
floral chemical
5th generation of nylon
stain blocker
most common synthetic fiber used for residential carpet
nylon
what types of dyes are used for nylon
acid dyes; same for food dyes
how can acid dyes blockers or dye sites be damaged
use chemical over 10pH, walk on it, chemical cationic
stain resistant warranty will cover what types of spills?
common food or beverage
, what charge does cationic have?
positive
what charge does anionic have
negative
name several cationic products
cleaners, deodorizer, biocides, pesticides, fabric softener, anti static treatments
during burn test what color is nylon smoke?
blue base with orange tip, burns evenly
during burn test what smell does nylon have?
celery or wax
during burn test what ash does nylon have?
round, hard, grey black bead
how many types of fiber tests are there
3, burn test, chemical test, float test
what is the chemical test for nylon
formic
what fiber is dissolved in sodium Hydrochloride
wool/silk
which fiber floats
olefin
why don't use matches for burn test
have sulfur odor which can interfere with test
pigment color chips added to liquid polymer solution before the filaments are
extruded from the spinnerets
solution dyeing
fiber stock is dyed in a presented vat. fiber is usually blended and carded prior to
spinning to provide an even color
stock dyeing
this is also called skein dyeing, large skeins or bales of yarn are dipped into dyes
or into pressure vat
yarn dyeing
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