WRT CERTIFICATION WITH 83 QUESTIONS & ANSWERS
2024 ( A+ GRADED 100% VERIFIED)
1. What is the most important aspect to the beginning of a job?: Risk/Hazard
assessment for the safety of all individuals involved
2. Employers must provide training, a fit test, and a medical evaluation for
employees who will be utilizing what equipment?: Respirator and cartridges
3. What should be completed before starting emergency mitigation services?: A
work authorization (contract) has been signed.
4. Often found in older structures, lead and asbestos are hazardous materials
regulated by the federal government.: True
5. Water that has a significant degree of contamination and could cause illness is
which of these?: Category 2
6. Water that is grossly contaminated: Category 3
7. If stopped from removing highly porous materials (carpet) on a Category 3 job,
what should the restorer do?: Stop work to prevent liability
8. Secondary damage is more likely to occur when relative humidity levels are:
65%
9. When a water loss occurs, the most important factor in reducing damage is:
Rapid response to start mitigation procedures
10. What steps should be taken when working in an area with potential
contamination?: Wear proper PPE, contain the area
11. Which of the following would be considered category 1 water?
- is grossly contaminated
- from a sanitary source
- has significant contamination
- contains regulated materials: From a sanitary source
12. Performing a thorough extraction or repeated extractions accomplishes
what?: reduces drying times
13. Water extracted from a jobsite should be: disposed of according to local laws
14. In a crawlspaces that measures 37' x 42' and has water standing at a depth of
1' 9", how many total gallons are there?: 20,341 gallons
15. A moisture reading obtained from an unaffected material that allows the
restorer to set drying goals for the affected structure: Dry standard
16. When is a drying job done?: a moisture meter indicates we have met our dry goal
1/5
, 17. The moisture sensor can be used to verify our drying goal has been met: false
18. Moisture sensors and IR camera are effective tools for: quickly locating
moisture in carpet
19. What does a thermo-hygrometer measure?: Temperature and relative humidity
20 Why do IR infarred cameras indicate possible moisture in materials?: Materials
surface temperature cools as water evaporates
21. Once an area is identified with an infared camera as a suspect of being wet, that
area must be verified with: A thermal hygrometer???
22. Psychometric conditions have a direct effect on the rate at which moisture
moves within materials, as well as from wet materials: True
23. The amount of moisture in the air, as a percentage of the maximum amount the
air could hold at a given temperature is known as which of these: Relative
humidity
24. What is the ratio of the weight of water vapor mixed with one pound of dry air
called: Humidity ratio
25. To promote effective drying, restorers need to control: Surface temperature of the
wet materials, air temperature of the drying chamber, vapor pressure of the drying
chamber
26. A surface with a temperature at or below dew point results in what?:
Condensation
27. If you increase the temperature in a drying chamber, what change will occur in
the relative humidity?: Decrease
28. Evaporation will increase when: wet materials are made warmer
29. At dew point temperature (100% relative humidity): liquid changes to vapor
30. Providing dry airflow and increasing the temperature of wet materials (wood,
wall cavities, carpet) the more energy is available for ____ to occur:
31. If a drying chamber is 75 degrees and 40% RH, what is the humidity ratio?:
32. A material that is very weakened when wet, but if dried properly, retains its
original strength:
33. What is permeance:
34. Classes of water describe:
35. A drying chamber that has the least amount of area affected porous materials
(less than 5%) of the combined walls, floors, and ceiling materials is a:
36. A drying chamber that has the greatest amount of moisture, affecting porous
materials (over 40%) of the combined walls, floors, and ceiling materials is a:
2/5
2024 ( A+ GRADED 100% VERIFIED)
1. What is the most important aspect to the beginning of a job?: Risk/Hazard
assessment for the safety of all individuals involved
2. Employers must provide training, a fit test, and a medical evaluation for
employees who will be utilizing what equipment?: Respirator and cartridges
3. What should be completed before starting emergency mitigation services?: A
work authorization (contract) has been signed.
4. Often found in older structures, lead and asbestos are hazardous materials
regulated by the federal government.: True
5. Water that has a significant degree of contamination and could cause illness is
which of these?: Category 2
6. Water that is grossly contaminated: Category 3
7. If stopped from removing highly porous materials (carpet) on a Category 3 job,
what should the restorer do?: Stop work to prevent liability
8. Secondary damage is more likely to occur when relative humidity levels are:
65%
9. When a water loss occurs, the most important factor in reducing damage is:
Rapid response to start mitigation procedures
10. What steps should be taken when working in an area with potential
contamination?: Wear proper PPE, contain the area
11. Which of the following would be considered category 1 water?
- is grossly contaminated
- from a sanitary source
- has significant contamination
- contains regulated materials: From a sanitary source
12. Performing a thorough extraction or repeated extractions accomplishes
what?: reduces drying times
13. Water extracted from a jobsite should be: disposed of according to local laws
14. In a crawlspaces that measures 37' x 42' and has water standing at a depth of
1' 9", how many total gallons are there?: 20,341 gallons
15. A moisture reading obtained from an unaffected material that allows the
restorer to set drying goals for the affected structure: Dry standard
16. When is a drying job done?: a moisture meter indicates we have met our dry goal
1/5
, 17. The moisture sensor can be used to verify our drying goal has been met: false
18. Moisture sensors and IR camera are effective tools for: quickly locating
moisture in carpet
19. What does a thermo-hygrometer measure?: Temperature and relative humidity
20 Why do IR infarred cameras indicate possible moisture in materials?: Materials
surface temperature cools as water evaporates
21. Once an area is identified with an infared camera as a suspect of being wet, that
area must be verified with: A thermal hygrometer???
22. Psychometric conditions have a direct effect on the rate at which moisture
moves within materials, as well as from wet materials: True
23. The amount of moisture in the air, as a percentage of the maximum amount the
air could hold at a given temperature is known as which of these: Relative
humidity
24. What is the ratio of the weight of water vapor mixed with one pound of dry air
called: Humidity ratio
25. To promote effective drying, restorers need to control: Surface temperature of the
wet materials, air temperature of the drying chamber, vapor pressure of the drying
chamber
26. A surface with a temperature at or below dew point results in what?:
Condensation
27. If you increase the temperature in a drying chamber, what change will occur in
the relative humidity?: Decrease
28. Evaporation will increase when: wet materials are made warmer
29. At dew point temperature (100% relative humidity): liquid changes to vapor
30. Providing dry airflow and increasing the temperature of wet materials (wood,
wall cavities, carpet) the more energy is available for ____ to occur:
31. If a drying chamber is 75 degrees and 40% RH, what is the humidity ratio?:
32. A material that is very weakened when wet, but if dried properly, retains its
original strength:
33. What is permeance:
34. Classes of water describe:
35. A drying chamber that has the least amount of area affected porous materials
(less than 5%) of the combined walls, floors, and ceiling materials is a:
36. A drying chamber that has the greatest amount of moisture, affecting porous
materials (over 40%) of the combined walls, floors, and ceiling materials is a:
2/5
