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IICRC WRT 21 Exam Review Q&A Latest Upload., Exams of Advanced Education

IICRC WRT 21 Exam Review Q&A Latest Upload.

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2024/2025

Available from 07/05/2025

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1 | P a g e
IICRC WRT 21 Exam Review Q&A
Latest Upload.
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%?
- Answers ✅✅50 gpp
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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1 | P a g e

IICRC WRT 21 Exam Review Q&A

Latest Upload.

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%?

  • Answers ✅✅50 gpp

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

2 | P a g e

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

  • Answers ✅✅True

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