Odor Control & Deodorization 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 Odor Control & Deodorization flashcards as text
How long should enzyme-based deodorizers typically be allowed to dwell for maximum effectiveness?
Answer: As long as the manufacturer recommends—often 10–30 minutes or longer for heavy contamination
Enzyme digesters require adequate dwell time for the biological enzymes to fully break down organic matter; manufacturer guidelines should be followed, with heavier contamination often requiring longer dwell times.
Which of the following odor types would NOT be effectively treated by enzyme digesters?
Answer: Smoke and fire odors
Enzyme digesters break down biological organic matter; smoke and fire odors come from combustion byproducts that require oxidizing agents or specialized smoke deodorizers, not enzymes.
What is a critical safety precaution when using ozone generators for carpet odor treatment?
Answer: Keep all humans, pets, and plants out of the area during treatment as high ozone is harmful
High concentrations of ozone are hazardous to health; all occupants including humans, pets, and plants must vacate the area during ozone treatment, and the space must be thoroughly ventilated before re-entry.
Why do urine odors sometimes return after an initial successful treatment?
Answer: Urine salts rehydrate with ambient humidity and release odor compounds again
Uric acid in urine forms crystals when dry; when humidity causes these crystals to rehydrate, they release odor compounds again—which is why full source removal or thorough treatment is essential.
Which of the following is a 'counteractant' type deodorizer?
Answer: A product that chemically pairs with and neutralizes specific odor molecules at the molecular level
Counteractant deodorizers work by chemically pairing with and neutralizing specific odor molecules at the molecular level, permanently eliminating the odor rather than masking or digesting it.
When treating a carpet for mold odor, what must be addressed in addition to applying a deodorizer?
Answer: The actual mold growth must be eliminated and the moisture source corrected, or regrowth will continue
Deodorizing only neutralizes the odor temporarily; if the mold itself is not removed and the moisture source is not corrected, mold will continue to grow and produce odor.
What does the term 'off-gassing' refer to in the context of carpet odors?
Answer: The release of volatile chemical compounds from carpet materials or contaminants into the air
Off-gassing refers to volatile organic compounds (VOCs) or odor-causing chemicals being released from materials—carpet fibers, adhesives, or contaminants—into the surrounding air.