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IICRC WRT 21 Exam Review Q&A Latest Upload.
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What PPE must be worn while performing emergency services on a sewage loss? - Answers ✅✅Hand protection, foot protection, and a respirator with the proper filters
If contamination is discovered, you should initially - Answers ✅✅Use PPE and containment
Dispose of wastewater in accordance with - Answers ✅✅Local and state laws
The two most common hazardous materials that may be found during a water loss is lead- based paint and - Answers ✅✅Asbestos
____ is the temperature at which water vapor begins to turn to a liquid - Answers ✅✅Dew point
What is the humidity ratio if the air temperature is 60°F and the relative humidity is 65%?
Relative humidity is the percent of moisture in the air at a given - Answers ✅✅Temperature
Humidity ratio is a better measure than relative humidity because it gives the ____ wight of water per pound of dry air - Answers ✅✅Actual
Nature always seeks an - Answers ✅✅Equilibrium
Condensation occurs when the temperature of a surface is? - Answers ✅✅Below dew point
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In the U.S., humidity ratio is measured in - Answers ✅✅Grains per pound
Other factors remaining equal, increasing the air temperature will lower relative humidity
Materials which are highly prone to secondary damage caused by high humidity are called? - Answers ✅✅Hygroscopic
What is one of your primary responsibilities during the initial inspection? - Answers ✅✅Identify and address safety hazards
After de-energizing circuits, what is the next step to create the safest working environment? - Answers ✅✅Utilize lockout/tagout procedures
When a contaminated water loss involves high-risk individuals, you should - Answers ✅✅Consider an IEP to assess contamination
What does IEP Stand for? - Answers ✅✅Indoor Environmental Professional
A category 1 water loss is - Answers ✅✅Sanitary
A category 2 water loss is - Answers ✅✅Significantly contaminated
A category 3 water loss is - Answers ✅✅Grossly contaminated
To wear a respirator, individuals must - Answers ✅✅be medically evaluated, fit tested, and trained