1. What is the primary factor to consider when determining the category of water damage? A) Location of the property B) Color of the water C) Source of the water D) Duration of exposure Answer: C) Source of the water. Rationale: The source of the water determines the category of water damage, which is critical for assessing the level of contamination and potential health risks. 2. Which of the following materials is most susceptible to water damage? A) Plastic B) Glass C) Drywall D) Metal Answer: C) Drywall. Rationale: Drywall is highly porous and can absorb water quickly, leading to swelling, warping, and potential mold growth. 3. When performing remediation work, what is the first step in the IICRC S500 Standard? A) Dehumidification B) Extraction C) Antimicrobial application D) Inspection and assessment Answer: D) Inspection and assessment. Rationale: A thorough inspection and assessment must precede any remediation efforts to determine the extent of the damage and the appropriate course of action. 4. Which method of drying is most effective for hardwood flooring? A) Desiccant dehumidification B) Heat drying C) Air movement D) Direct sunlight Answer: A) Desiccant dehumidification. Rationale: Desiccant dehumidifiers are effective in removing moisture from dense materials like hardwood and can help prevent warping and buckling. 5. What is the term for the amount of moisture air can hold at a given