Indoor Air Quality and Contaminants Flashcards
6 cards from real ASCS practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Indoor Air Quality and Contaminants flashcards as text
Which airborne contaminant is commonly found in HVAC systems and can cause respiratory issues?
Answer: Mold spores
Mold spores are a common airborne contaminant in HVAC systems and can trigger allergies and respiratory problems.
What is the primary source of indoor air pollution in HVAC systems?
Answer: Dust and debris accumulation
Dust and debris buildup inside air ducts and filters is a major source of indoor air pollution.
Which gas is a common indoor air pollutant and is colorless, odorless, and dangerous at high levels?
Answer: Carbon monoxide
Carbon monoxide is a colorless, odorless gas that can accumulate indoors and cause serious health risks.
What is the role of an air filter in improving indoor air quality?
Answer: Trap airborne contaminants
Air filters trap dust, pollen, and other particles, improving air quality by preventing contaminants from circulating indoors.
Which method is most effective in preventing microbial growth in HVAC systems?
Answer: Controlling moisture levels
Controlling moisture levels prevents microbial growth by eliminating the conditions needed for mold and bacteria to thrive.
Which type of HVAC cleaning helps remove bacteria and mold from air ducts?
Answer: Antimicrobial treatment
Antimicrobial treatment eliminates bacteria and mold in air ducts, improving indoor air quality and system efficiency.