Download IICRC CCT Exam Questions and Answers: Carpet Cleaning Fundamentals and more Exams Water and Wastewater Engineering in PDF only on Docsity!
IICRC CCT EXAM QUESTIONS WITH
VERIFIED ANSWERS @ 2024
5th Generation Nylon Added What - Answer Acid Dye Resisters A rotary shampoo machine helps deliver - Answer Foaming Detergent (large amounts ofagitation) Adding a pattern after the carpet is made is called - Answer print dying A Filament - Answer A single strand of fiber is calledWhich is not allowed on 5th gen carpeting - Answer Catonic Filtration Lines - Answer Around edges and under doorwaysReducing Agents add color by - Answer Removing Oxygen Oxidizing agents add color by - Answer Adding oxygenCarpet manufacturers have what requirements for chemicals to be used on 5th gen nylon
- Answer ph >10Cellulosic browning is caused when - Answer detergent dissolved the binder - over wetting chlorine bleach will dissolve - Answer wool / silkcommon medication that causes color loss is - Answer benzoperoxide Tufted carpets major components - Answer face yarn, primary / secondary backing / latexDuring hot water extraction how is the vacuum efficiently measured - Answer recovery / inches per lift / cfmFlurochemicals increase what and the primary function is they - Answer resist soil /oils /water basedcoffee / tea stains are referred to as - Answer tannin
How big is a micron? - Answer millionth of a meter / 10kth of an inch
How is fusion bonded carpet created - Answer fuzed face yarn fuzed into backing How to reduce wicking in carpet - Answer lower ph / faster drying Burnt test: celery - Answer nylon burnt test: burnt meat - Answer acrylic Burning hair - Answer wool aunt paulie - Answer Polyester 4th gen nylon what was added - Answer floor chemical Most soils are? so most cleaning agents are - Answer alkaline - urine - detergent - residue- tannin
5 methods of cleaning - Answer absorbent pad, absorbent powder, dry foam,encapsulation, hot water extraction
powder cleaning works through - Answer adsorption stain blockers prevent stains from becoming - Answer permanent the dye type most common used on nylon - Answer acid dye numerical range of ph - Answer 0-
what is wicking - Answer upward flow of moisture during drying most common cause of delamination - Answer poor formulation latex what man made fiber floats on water and why - Answer olefan what man made fiber resembles wool - Answer acrylic what method gives unlimted soil removal - Answer hot water extraction ph recommended for wool - Answer isnt one when yarns are plied what steps give memory to the yarn - Answer heat which carpet has construction has warp, weft and face yarns - Answer woven which man made fiber resembles silk - Answer rayon which fiber will dissolve in formic acid - Answer nylon wool and silk are damaged by what - Answer bleach / rust remover /high alkalinity 2 types of natural fibers - Answer protein cellulose = longer drying times safest ways to clean wool - Answer keep temp under 130 and ph 4.5-8.
cotton fiber - Answer cellulose based fiber very absorbent susceptible to browning andshrinking, dont over wet, force dry - most absorbant fiber- most susceptible to browning
jute - Answer weft yarns in axminister rugs and other woven constructions until 1985 natural fibers share what common (protein / ceullulose) - Answer crumbly ash when putburn test
synthetic fibers - Answer most common, petroleom or coal based raw materials. likeplastic
nylon - Answer most poular. dissolve in formic acid - acid dye stains - can discolor fromoxidizers
1st gen nylon - Answer round clear fibre 2nd gen nylon - Answer made in different shapes like square or trilobal, higher soil andabrasion hiding
3rd gen nylon - Answer added an anti static core to the fibre to help reduce staticelectricity
4 gen nylon - Answer application of fluorochemicals applied - help in reistance to soiling 5th gen - Answer acide dye resisters under ph 10 acrylic - Answer blended with wool, cost alot to make, resembled wool after crimping polyester - Answer fiber looks like nylon but cheaper.. continuous or staple filament
water soluble spots - Answer respnd well to water based cleaners. like soda pop non water soluble - Answer require solvent based cleaners. often oil based, tar, paint,chewing gum
insoluble spots - Answer do not respond to either water or solvent. need permanentrepairs
protein spots - Answer egg, milk, blood removed with enzyme / digesters woven carpets - Answer oldest type / pile yarns integrated into the backing to form asingle unit of fabric. by intertwining warp and weft yarns.
knitted carpet - Answer show threads holding the face yarns to the backing, curl patternin pulled yarn
fusion bonded / modular carpet - Answer usually carpet tiles. highest tuft bind. crosssection of fusion bonded carpet fiberglass, thermoplastic compound, primary backing face yarn high performance precoat tufted carpet - Answer middle of a yarn is pressed it a single hole in the backing so thatthere are at least two pile yarns coming from a single hole. primary and secondary backings held together by latex, prone to delaminate fume fading - Answer gases in the air passing through the carpet causing color loss fuzzing - Answer most often from over aggressive rubbing or scrubbing pile reversal or water pooling - Answer change that is serpentine shape or line in carpetwhere the pile direction goes in opposite directions
cationic detergents - Answer can void 5th gen nylon warranty
