Download IICRC CCT EXAM 2024/2025 WITH 100% ACCURATE SOLUTIONS and more Exams Water and Wastewater Engineering in PDF only on Docsity!
IICRC CCT EXAM 2024/2025 WITH 100%
ACCURATE SOLUTIONS
What was added to 5th generation nylon fibers? - Precise Answer ✔✔Stain resistance A rotary shampoo machine helps deliver? - Precise Answer ✔✔Agitation A single strand of fiber is called a ___ - Precise Answer ✔✔Filament A tightly twisted cut pile carpet usually 1/2 to 1" in height is called a ____ - Precise Answer ✔✔Saxony Adding a pattern to the carpet after it is made is called ____ - Precise Answer ✔✔Print dyeing What is not allowed on 5th generation carpeting? - Precise Answer ✔✔Cationic What might be found around edges, under doorways? - Precise Answer ✔✔Filtration soil. Black line Reducing agents remove color by? - Precise Answer ✔✔Removing oxygen from the dye Oxidizing agents add color by? - Precise Answer ✔✔Adding oxygen Carpet manufacturers require what chemicals on 5th generation nylon to not void warranties - Precise Answer ✔✔pH <10. Non-cationic What causes cellulosic browning? - Precise Answer ✔✔Over wetting, slow drying, alkalinity and age Chlorine bleach will dissolve? - Precise Answer ✔✔Wool and Silk
Common medication that causes color loss it? - Precise Answer ✔✔Benzoyl Peroxide What are tufted carpet major components? (4) - Precise Answer ✔✔Pile, Primary backing, Latex adhesive, 2nd Backing During hot water extraction, how is vacuum efficiency measured? - Precise Answer ✔✔Inches of lift, cubic feet airflow gauge Filtration soiling occurs when...? - Precise Answer ✔✔Concentrated air volume flows through confined space Fluorochemicals increases what? - Precise Answer ✔✔Surface tension What is the primary function of fluorochemicals - Precise Answer ✔✔Resist penetration and improve vacuum Coffee and tea are what kind of stains? - Precise Answer ✔✔Tannin How big is a micron? - Precise Answer ✔✔1 millionth of a meter How can most problems on the job site be avoided? - Precise Answer ✔✔Pre-understanding with the customer How is fusion bonded carpet created - Precise Answer ✔✔Tufting between 2 tiles, then cut. How can I reduce wicking in carpets? - Precise Answer ✔✔Thorough cleaning with fast dry time Burn test smell: Celery - Precise Answer ✔✔Nylon
The most common dye used in nylon is - Precise Answer ✔✔Acid dye- continuous process The 4 fundamentals of a good cleaning process - Precise Answer ✔✔1. Dry Soil Removal
- Soil Suspension
- Extraction
- Drying What is the numerical range of the pH scale - Precise Answer ✔✔ 0 - 14 The pH shows relative strength but not the ____ - Precise Answer ✔✔Concentration or dilution What % of dry soil is in the carpet? - Precise Answer ✔✔ 74 - 79% What are the fundamentals of soil suspension? (4) - Precise Answer ✔✔Chemicals Heat Agitation Time What are the 3 categories of soil? - Precise Answer ✔✔1. Insoluble
- Water soluble
- Solvent soluble What can cause streaks to occur in carpet cleaning? - Precise Answer ✔✔Not overlapping strokes, plugged jets, plugged valves What causes reappearing spots? - Precise Answer ✔✔Detergent residue or wicking
What changes when indicator dyes appear visible? - Precise Answer ✔✔Rapid pH change (pH shock) What color will the carpet be with color loss? - Precise Answer ✔✔Lighter What component extends the life of carpet? - Precise Answer ✔✔Padding What prevents the dye blockers' ability in 5th generation nylon? - Precise Answer ✔✔Cationic or ph> What does heat do for cleaning processes? - Precise Answer ✔✔Speed it up What is the most permanent dyeing method? - Precise Answer ✔✔Solution dyeing (adding color when it is a liquid) What factors help or hurt the drying process? - Precise Answer ✔✔Temperature, air flow, humidity What fiber absorbs the least amount of moisture? - Precise Answer ✔✔Olefin Burn test: Orange flame, sputters, smells sweet and fruity - Precise Answer ✔✔Polyester What fibers melt instead of burn? - Precise Answer ✔✔Synthetic What happens if one fundamental of soil suspension is increased? - Precise Answer ✔✔Can decrease another component. All add up to 100% What contributes to browning? - Precise Answer ✔✔Alkalinity, long drying times Maximum pH allowed for 5th generation nylon? - Precise Answer ✔✔ 10 Most common cause of delamination - Precise Answer ✔✔Bad latex adhesive
Which fibers are naturally flame resistant? - Precise Answer ✔✔Wool and Silk Which fibers come from plants? - Precise Answer ✔✔Cellulosic Which man made fiber resembles silk? - Precise Answer ✔✔Rayon Which number is stronger pH: 3 or 9 - Precise Answer ✔✔3. Furthest from neutral Which number is stronger ph: 6 or 10 - Precise Answer ✔✔ 10 Which number is an acid? 2, 7, 9, 12 - Precise Answer ✔✔ 2 Why do natural fibers take longer to dry than synthetic fibers? - Precise Answer ✔✔They are more absorbent (hold more water) Why is agitation such an important part of thorough cleaning? - Precise Answer ✔✔It gives energy to the chemicals, distributes chemicals to dirt Why is it recommended to use soft water with cleaning detergents? - Precise Answer ✔✔1/3 Less use of chemicals with soft water Which fiber will dissolve in formic acid? - Precise Answer ✔✔Nylon Wool and silk are damaged by what chemical? - Precise Answer ✔✔Chlorine bleach/Sodium Hypochlorite What pre-sprays are essential for every truck mount? (4) - Precise Answer ✔✔1. Residential (pH<10)
- Commercial (pH>10)
- Wool
- Green (eco friendly) 4th and 5th generation nylon is very easy to remove_____ but not _____ - Precise Answer ✔✔Dirt Stains/Spills Polyester is basically stain resistant to everything BUT ____ - Precise Answer ✔✔Oil Resists most red stains: Polyester or Nylon? - Precise Answer ✔✔Polyester What carpet material can handle the hottest water? - Precise Answer ✔✔All synthetics What temperature does water start to kill germs and bacteria - Precise Answer ✔✔130 F ____ fibers make up around 97% or all carpet face yarn manufactured in North America - Precise Answer ✔✔Synthetic Nylon is about ___% of carpet being sold. - Precise Answer ✔✔40% What is the most popular carpet? - Precise Answer ✔✔Nylon Superior cleanability, abrasion resistant and dyeability - Precise Answer ✔✔Nylon What was the 1st affordable wall to wall carpet? - Precise Answer ✔✔Nylon Most chemicals made from suppliers are made to remove stains from ______ (carpet) - Precise Answer ✔✔Nylon Average pressure for average carpet? Truck mount - Precise Answer ✔✔300 psi
Disperse dyes stain most _____ - Precise Answer ✔✔Nylon Which generation nylon? Round clear fiber, which magnified soils and abrasion marks - Precise Answer ✔✔1st Which generation nylon? different shapes, but static electricity issue - Precise Answer ✔✔2nd Which gen nylon? Added anti-static core in fiber - Precise Answer ✔✔3rd Which gen nylon? Added fluorochemicals during manufacturing process - Precise Answer ✔✔4th Which gen nylon? Added acid dye resisters (almost stain resistant) - Precise Answer ✔✔5th Acid dye resisters are ____ so NEVER use ____ - Precise Answer ✔✔anionic cationic Examples of cationic products? - Precise Answer ✔✔Biocides, fungicides, bactericides Polyester comes as a ____ or ____ filament - Precise Answer ✔✔Continuous Staple Where would you see olefin? - Precise Answer ✔✔Commercial, banquet halls, offices
Olefin attracts ____ - Precise Answer ✔✔OIL! Oily stains are attracted to it and hard to remove What kind of lighter do you use for burn test? - Precise Answer ✔✔Butane odorless Burn test: Orange rapid burning flame, smells of burning paper - Precise Answer ✔✔Rayon Burn test: Orange, sputters out, no smoke, Smells of burning hair - Precise Answer ✔✔Wool/silk What will dissolve rayon and cotton? - Precise Answer ✔✔Sulfuric acid Burn test: Orange, even burn, NO SMOKE, smells of burning paper - Precise Answer ✔✔Cotton, jute, sisal Burn test: White orange sputters, black smoke, smells of burned meat - Precise Answer ✔✔Acrylic Burn test: blue base, orange tip, burns evenly, white fluff and no smoke, smells of celery or sealing wax - Precise Answer ✔✔Nylon Burn test: blue base/orange tip, burns evenly, no smoke, smells of asphalt or paraffin - Precise Answer ✔✔Olefin Burn test: Orange sputters, sooty black smoke, smells sweet and fruity - Precise Answer ✔✔Polyester ____ can be used or combined with detergents to help break down protein based soils (urine, blood, etc..) - Precise Answer ✔✔Enzymes Oxidizers are great on what kind of stains? - Precise Answer ✔✔Organic. Coffee, blueberries, red wine, tannins
Example of non water soluble spots - Precise Answer ✔✔Gum, paint, oil What kind of detergent could help prevent cellulosic browning? - Precise Answer ✔✔Special formulated acid based products What can help prevent reoccurring spots from coming back? - Precise Answer ✔✔Leaving a dry white town weighted down over the spotted area _____ fibers are made through extrusion using a spinneret and collected on spools. - Precise Answer ✔✔Continuous ____ fibers are just pieces of hay and get shipped in bales - Precise Answer ✔✔Staple ____ construction is the most common in residential and commercial applications across North America
- Precise Answer ✔✔Tufted Diamond shaped pattern formed by warp and weft yarns, bottom side is bumpy - Precise Answer ✔✔Velvet weave ____ solvents can damage latex during spotting and cause tuft loss or delamination - Precise Answer ✔✔Dry _____ dyeing is used for partially made carpet of undid yarn tufted into primary backing - Precise Answer ✔✔Beck/Piece Most common dyeing for todays tufted carpets - Precise Answer ✔✔Continuous Dyeing used for extruded or spun goods (reel of yarn) - Precise Answer ✔✔Skein
Dyeing done when fiber polymer and dye are mixed when they are in liquid form prior to extrusion and going into spinneret - Precise Answer ✔✔Solution dyeing Which way does olefin have to be dyed? - Precise Answer ✔✔Solution Dyeing used for staple fibers before they are made into yarn - Precise Answer ✔✔Stock Most common dyeing with natural fibers - Precise Answer ✔✔Stock _____ can be applied to nylon fiber aftermarket for stain resistance - Precise Answer ✔✔Acid Dye resistors ____ are silicone-based liquids that are used in extraction hoses and recovery tanks to reduce foam and suds from building up. - Precise Answer ✔✔Defoamers 2 types of construction from fiber to filament - Precise Answer ✔✔Continuous and Staple Construction from Filaments to Carpet (6 ways) - Precise Answer ✔✔Tufted Woven Fusion bonded Needle Punched Flocked Braided Fibers pressed into adhesive coating. Carpet tiles - Precise Answer ✔✔Fusion bonded Dense mat of filament and back coating - Precise Answer ✔✔Needle punched Fibers electrostaticly adhered to backing with adhesive - Precise Answer ✔✔Flocked
