IICRC CCT Carpet Cleaning Technician Exam
Questions and Answers with Detailed Solutions
(2026 Edition) | Verified | 100% Pass
• 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
• How big is a micron? -✓✓1 millionth of a meter
• How can most problems on the job site be avoided? -✓✓Pre-
understanding with the customer
• How is fusion bonded carpet created -✓✓Tufting between 2 tiles, then
cut.
• How can I reduce wicking in carpets? -✓✓Thorough cleaning with fast
dry time
• Burn test smell: Celery -✓✓Nylon
• Burn test: Burnt meat -✓✓Acrylic
Questions and Answers with Detailed Solutions
(2026 Edition) | Verified | 100% Pass
• 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
• How big is a micron? -✓✓1 millionth of a meter
• How can most problems on the job site be avoided? -✓✓Pre-
understanding with the customer
• How is fusion bonded carpet created -✓✓Tufting between 2 tiles, then
cut.
• How can I reduce wicking in carpets? -✓✓Thorough cleaning with fast
dry time
• Burn test smell: Celery -✓✓Nylon
• Burn test: Burnt meat -✓✓Acrylic
