CerTIfICaTIon exam prep – InsTITuTe of InspeCTIon,
CleanIng and resToraTIon CerTIfICaTIon | CompleTe
CarpeT CleanIng praCTICe QuesTIons wITh VerIfIed
answers | updaTed 2025–2026 edITIon | hIgh-yIeld
sTudy guIde for IICrC CerTIfIed CarpeT CleanIng
TeChnICIans, resToraTIon professIonals & CCT exam
suCCess
,Question 1: What is the primary purpose of preconditioning in carpet cleaning?
• A) To soak the carpet
• B) To dissolve soils and oils
• C) To protect the carpet from color bleeding
• D) To add fragrance to the carpet
Correct Option: B) To dissolve soils and oils
Rationale: Preconditioning involves applying a cleaning solution to the carpet before
the cleaning process, which helps to break down soils and oils, making them easier to
remove during the extraction phase.
Question 2: Which type of carpet is most susceptible to color bleeding during
cleaning?
• A) Wool
• B) Nylon
• C) Polyester
• D) Olefin
Correct Option: A) Wool
Rationale: Wool fibers can be prone to bleeding due to their natural dye characteristics.
Special care must be taken when cleaning wool carpets to prevent color loss.
Question 3: In the context of carpet cleaning, what does the term "pH" refer to?
• A) The cleanliness of the carpet
• B) The level of acidity or alkalinity of a cleaning solution
• C) The temperature of the cleaning water
• D) The amount of soil removed from the carpet
Correct Option: B) The level of acidity or alkalinity of a cleaning solution
Rationale: pH measures how acidic or alkaline a substance is. Cleaning solutions are
formulated with specific pH levels to enhance their effectiveness on different types of
soils and fibers.
Question 4: What is the most appropriate method for cleaning a heavily soiled
commercial carpet?
• A) Bonnet cleaning
, • B) Dry cleaning
• C) Hot water extraction
• D) Vacuuming
Correct Option: C) Hot water extraction
Rationale: Hot water extraction is the most effective method for deep cleaning heavily
soiled carpets, as it combines heat with cleaning solution and high-pressure water to lift
soil and debris.
Question 5: What safety measure should be taken when using chemical cleaning
agents?
• A) Wear sunglasses
• B) Use air fresheners
• C) Wear appropriate personal protective equipment (PPE)
• D) Open windows for ventilation only
Correct Option: C) Wear appropriate personal protective equipment (PPE)
Rationale: Wearing PPE such as gloves, masks, and eye protection is essential when
handling chemical cleaning agents to prevent exposure and potential health risks.
Question 6: When considering carpet cleaning methods, what is the primary
benefit of using a low-moisture cleaning system?
• A) Faster drying time
• B) More intensive cleaning
• C) Lower equipment cost
• D) Reduced soil removal
Correct Option: A) Faster drying time
Rationale: Low-moisture cleaning systems use less water, leading to significantly
reduced drying times, which is beneficial for both the carpet and the environment.
Question 7: Which type of stain is most effectively removed with solvent-based
cleaners?
• A) Water-based stains
• B) Oily stains
• C) Protein stains
• D) Ink stains