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IICRC WRT FINAL EXAM NEWEST 2025 ACTUAL
EXAM QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS) |A+ GRADED
When applying an antimicrobial (biocide), restorers should... - ANSWER-Wear appropriate PPE and follow label directions, Have a customer briefing and provide them the SDS and sign an authorization form, and Have the homeowner and all pets vacate the premises.
Which of the following would reduce microorganisms to a level considered safe by public health stadards? (lowest amount of reduction) - ANSWER-Sanitizer
When should carper pad always be disposed - ANSWER-When affected by Category 2 or 3 water
When starting a loss, how would you check for elevated moisture under a tile floor or behind vinyl wallpaper? - ANSWER-Une a not-penetrating or not-invasive moisture meter
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When should drywall always be removed due to safety concerns? - ANSWER-When the drywall on the ceiling is affected and sagging
If you decrease vapor pressure what happens to the GPP - ANSWER-decreases
When arriving on a water loss that has a humidity, what could be done to reduce the humidity? - ANSWER-Open the windows to ventilate the structure (if outside conditions are favorable)
When could a closed drying system be utilized? - ANSWER- When the GPP (humidity ratio) Outside is higher than the gpp indoors
How can a restorer document that drying goals were met? - ANSWER-Daily documentation of the psychometric (ambient) conditions and moisture content or moisture level of affected materials
What happens when air reaches saturation? - ANSWER- Condensation because the air can't hold more water vapor
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When should drying equipment be removed from a drying project? - ANSWER-When affected materials meet drying goals
What happens when the vapor pressure of wet materials in increased? - ANSWER-Moisture evaporates if the ambient air has a lower vapor pressure.
Why should air movers not be installed when microbial growth is found or suspected? - ANSWER-It can contaminate unaffected areas
What is evaporation? - ANSWER-Changing water from a liquid to a vapor (gas)
What do you need to know to determine the initial dehumidification? - ANSWER-cubic footage, class of loss, and type of dehumidifier
What is secondary damage? - ANSWER-Damage from humidity being absorbed by materials and contents
What is vapor pressure? - ANSWER-Force from water molecules in the air on surrounding surfaces
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