Cleaning Methods & Equipment Usage Flashcards
7 cards from real CCT practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Cleaning Methods & Equipment Usage flashcards as text
In encapsulation cleaning, the polymer crystallizes around soil particles and then becomes removable by:
Answer: Vacuuming once the polymer has fully dried
After the encapsulant dries and crystallizes around the soil, routine vacuuming fractures the brittle crystals and removes them along with the trapped soil.
What does CFM stand for in the context of vacuum and extraction equipment?
Answer: Cubic Feet per Minute
CFM (Cubic Feet per Minute) measures the volume of airflow a vacuum or extraction unit produces, which directly impacts its soil and moisture removal ability.
When operating a dual-wand cleaning system on a large commercial job, what is the primary operational advantage?
Answer: Allows two technicians to clean simultaneously, cutting production time
A dual-wand setup lets two operators work from a single truck-mount simultaneously, significantly reducing labor time on large commercial projects.
Which pH range is considered neutral and the safest rinse solution for most carpet fiber types?
Answer: 7–8
A pH of 7–8 is near neutral to mildly alkaline, which is safe for nylon, polyester, and most synthetic fibers while still providing some cleaning action.
A technician is cleaning a carpet and the wand begins losing suction mid-job. After checking the hose for kinks, what should be inspected next?
Answer: Recovery tank level — it may be full
An overfull recovery tank restricts airflow through the vacuum system, causing noticeable suction loss during extraction.
Low-moisture oscillating pad machines (OP machines) are best suited for:
Answer: Maintaining lightly soiled or recently cleaned carpets
OP machines excel at interim or maintenance cleaning of lightly soiled carpets but lack the flushing action needed to handle heavy soiling or deep contamination.
What is the recommended wand stroke direction relative to the carpet pile during extraction?
Answer: In the direction of the pile lay (with the nap)
Stroking with the pile direction leaves fibers lying flat and looking uniform, producing a cleaner appearance and reducing the chance of pile distortion.