IICRC Exam Practice Questions and Answers (100%Verified)
What is one of your primary responsibilities during the initial inspection - ✔️✔️Identify and
address saftey hazzards
After de-energizing circuits, what is the next step to create the safest working environment -
✔️✔️Utilize lockout/tag out procedures
When a contaminated water loss involves high -risk individuals , you should - ✔️✔️Consider an
IEP to assess contamination
What does IEP stand for? - ✔️✔️Indoor Environmental Professional
A cat 1 water loss is - ✔️✔️Sanitary
A cat 2 water loss is - ✔️✔️Significantly contaminated
A cat 3 water loss is - ✔️✔️Grossly contaminated
To wear a respirator, individuals must - ✔️✔️Be medically evaluated, fit tested and trained
If mold is discovered , you should initially - ✔️✔️Use PPE and containment
Dispose of waste water in accordance with________ - ✔️✔️Local and state laws
The two most common hazardous materials that may be found during a water loss is lead-based
paint and_____ - ✔️✔️Asbestos
______ is the temp stuff again which water vapor begins to turn to a liquid - ✔️✔️Dew point
What is the humidity ratio if the air temperature is 60F and the relative humidity is 65%? -
✔️✔️50 grains per pound
Relative humidity is the percent of moisture in the air at a given_________ - ✔️✔️Temperature
Humidity ratio is a better measure than relative humidity because it gives the _________ weight
of water per pins of dry air - ✔️✔️Actual
Nature always seeks a _____ - ✔️✔️equilibrium
With everything being equal, the temperature that will give you the highest rate of evaporation
is? - ✔️✔️85 F
The fastest rate of evaporation occurs under which consist ion? - ✔️✔️85 F and 45%
In the US humidity is measured in - ✔️✔️Grains per pound
Other factors remaining equal, increasing the air temperature will lower relative humidity T or F
- ✔️✔️True
Materials which are highly prone to secondary damage caused by high humidity are called ? -
✔️✔️Hygroscopic
The most energy efficient dehumidifier is a ? - ✔️✔️Refrigerant
Refrigerant dehumidifiers are most effective between? - ✔️✔️70 F- 90 F and above 40% Rh
Indoor conditions where a conventional refrigerant would work best? - ✔️✔️84 F and 75%
A sanitizer is a product designed to? - ✔️✔️Return the surface to safe levels
To quickest way to determine the perimeter of wet carpet and pad is? - ✔️✔️Use a moisture meter
A bioCIDE is a chemical agent that destroys or kills living organisms T or F - ✔️✔️True
The device used to measure the temperature and humidity of the air is called - ✔️✔️A thermo-
hygrometer
Which dehumidifier would you use in the following conditions : 40 F and 40% - ✔️✔️Desiccant
For saftey, drywall ceilings that are Saturated we and sagging should be _____,______,&______
- ✔️✔️Drained , removed ASAP, & properly disposed
One of the most important responsibilities during the initial inspection is to conduct a -
✔️✔️Hazard assessment
IEP stands for? - ✔️✔️Indoor environmental professional
Category 1 water is - ✔️✔️Sanitary
Water that contains significant contamination and has the potential to cause discomfort or
sickness is a category ___ water loss - ✔️✔️2
Before wearing a respirator, employees should be medically cleared, ______, and properly
trained - ✔️✔️Fit-tested
Two commons hazardous materials found on water projects are ______ and _____? - ✔️✔️Lead
paint and asbestos
Hygroscopic materials absorb water vapor until they reach _______ with the atmospheric
conditions - ✔️✔️Equilibrium
Air with the lowest humidity ration also has the lowest - ✔️✔️Vapor pressure
2
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