Download IICRC CCT Study Guide 100% VERIFIED ANSWERS 2024/2025 CORRECT STUDY SET and more Exams Business Administration in PDF only on Docsity! IICRC CCT Study Guide 100% VERIFIED ANSWERS 2024/2025 CORRECT STUDY SET What was added to 5th generation nylon fibers? Stain resistance A rotary shampoo machine helps deliver? Agitation A single strand of fiber is called a ___ Filament A tightly twisted cut pile carpet usually 1/2 to 1" in height is called a ____ Saxony Adding a pattern to the carpet after it is made is called ____ Print dyeing What is not allowed on 5th generation carpeting? Cationic What might be found around edges, under doorways? Filtration soil. Black line Reducing agents remove color by? Removing oxygen from the dye Oxidizing agents add color by? Adding oxygen Carpet manufacturers require what chemicals on 5th generation nylon to not void warranties pH <10. Non-cationic What causes cellulosic browning? Over wetting, slow drying, alkalinity and age Chlorine bleach will dissolve? Wool and Silk Common medication that causes color loss it? Benzoyl Peroxide What are tufted carpet major components? (4) Pile, Primary backing, Latex adhesive, 2nd Backing During hot water extraction, how is vacuum efficiency measured? Inches of lift, cubic feet airflow gauge Filtration soiling occurs when...? Concentrated air volume flows through confined space Fluorochemicals increases what? Surface tension What is the primary function of fluorochemicals Resist penetration and improve vacuum Coffee and tea are what kind of stains? Tannin 0-14 The pH shows relative strength but not the ____ Concentration or dilution What % of dry soil is in the carpet? 74-79% What are the fundamentals of soil suspension? (4) Chemicals Heat Agitation Time What are the 3 categories of soil? 1. Insoluble 2. Water soluble 3. Solvent soluble What can cause streaks to occur in carpet cleaning? Not overlapping strokes, plugged jets, plugged valves What causes reappearing spots? Detergent residue or wicking What changes when indicator dyes appear visible? Rapid pH change (pH shock) What color will the carpet be with color loss? Lighter What component extends the life of carpet? Padding What prevents the dye blockers' ability in 5th generation nylon? Cationic or ph>10 What does heat do for cleaning processes? Speed it up What is the most permanent dyeing method? Solution dyeing (adding color when it is a liquid) What factors help or hurt the drying process? Temperature, air flow, humidity What fiber absorbs the least amount of moisture? Olefin Burn test: Orange flame, sputters, smells sweet and fruity Polyester What fibers melt instead of burn? Synthetic What happens if one fundamental of soil suspension is increased? Can decrease another component. All add up to 100% What contributes to browning? Alkalinity, long drying times Maximum pH allowed for 5th generation nylon? 10 Most common cause of delamination Bad latex adhesive What is wicking? Upwards flow of moisture and soil What man made fiber floats on water and why? Olefin because it is 0% water absorbent What man made fiber resembles wool? Acrylic What method gives unlimited soil removal? Hot water extraction What pH is recommended for wool? Not... use a wool approved product When cleaning, where is the best starting point? Furthest from entrance When should spotting be done on 5th generation nylon? After cleaning What should the pad on a bonnet machine be changed? When it is saturated with dirt and/or water When should the bag on a vacuum be emptied? 2/3rds full When yarns are plied, what steps give memory to the yarn? Heat Setting Where should all recovered waste be dumped Sanitary drain 40% What is the most popular carpet? Nylon Superior cleanability, abrasion resistant and dyeability Nylon What was the 1st affordable wall to wall carpet? Nylon Most chemicals made from suppliers are made to remove stains from ______ (carpet) Nylon Average pressure for average carpet? Truck mount 300 psi When would you increase the pressure? Decrese? Increase: Commerical Decrease: Loop What are the 2 types of natural fibers? Protein and cellulose What carpets are protein fibers? Wool and silk What carpets are cellulosic fibers? Cotton and jute Although it is a natural fiber, which has a very quick dry time? Wool What fiber starts to degrade when exposed to high alkalinity? Wool What temp is the safest to clean wool Below 130 F Cotton is susceptible to ____ and _____ Cellulosic browning and shrinkage Best way to clean cotton? Avoid overwetting Force drying (can be wet up to 48 hours) Be highly experienced haha Which fiber does not lose strength when wet? Cotton _____ was used as backing material on tufted carpet until around 1985 Jute What fiber supports mold growth? Jute Crumbly ash when put to burn test? Natural Disperse dyes stain most _____ Nylon Which generation nylon? Round clear fiber, which magnified soils and abrasion marks 1st Which generation nylon? different shapes, but static electricity issue 2nd Which gen nylon? Added anti-static core in fiber 3rd Which gen nylon? Added fluorochemicals during manufacturing process 4th Which gen nylon? Added acid dye resisters (almost stain resistant) 5th Acid dye resisters are ____ so NEVER use ____ anionic cationic Examples of cationic products? Biocides, fungicides, bactericides Polyester comes as a ____ or ____ filament Continuous Staple Where would you see olefin? Commercial, banquet halls, offices Olefin attracts ____ OIL! Oily stains are attracted to it and hard to remove Normal ____ cleaning covers cleaning under the primary back Restorative Example of a water soluble spot Soda Example of non water soluble spots Gum, paint, oil What kind of detergent could help prevent cellulosic browning? Special formulated acid based products What can help prevent reoccurring spots from coming back? Leaving a dry white town weighted down over the spotted area _____ fibers are made through extrusion using a spinneret and collected on spools. Continuous ____ fibers are just pieces of hay and get shipped in bales Staple ____ construction is the most common in residential and commercial applications across North America Tufted Diamond shaped pattern formed by warp and weft yarns, bottom side is bumpy Velvet weave ____ solvents can damage latex during spotting and cause tuft loss or delamination Dry _____ dyeing is used for partially made carpet of undid yarn tufted into primary backing Beck/Piece Most common dyeing for todays tufted carpets Continuous Dyeing used for extruded or spun goods (reel of yarn) Skein Dyeing done when fiber polymer and dye are mixed when they are in liquid form prior to extrusion and going into spinneret Solution dyeing Which way does olefin have to be dyed? Solution Dyeing used for staple fibers before they are made into yarn Stock Most common dyeing with natural fibers Stock _____ can be applied to nylon fiber aftermarket for stain resistance Acid Dye resistors ____ are silicone-based liquids that are used in extraction hoses and recovery tanks to reduce foam and suds from building up. Defoamers 2 types of construction from fiber to filament Continuous and Staple Construction from Filaments to Carpet (6 ways) Tufted Woven Fusion bonded Needle Punched Flocked Braided Fibers pressed into adhesive coating. Carpet tiles Fusion bonded Dense mat of filament and back coating Needle punched Fibers electrostaticly adhered to backing with adhesive Flocked Braid sewn together in oval pattern continuing from center to final size Braided