IICRC WRT 2024 / 2025 Test Questions and Verified Answers | 100% Correct | Grade A (Latest Update)
Question:
When pre-existing damage is discovered, restorer should
Answer:
- document and bring it to the attention of materially interested parties
Question:
Rapid drying of structural materials is achieved by
Answer:
- promoting evaporation and dehumidification or ventilation
Question:
When carpet and cushion (pad, underlay) are saturated with Category 3 water
Answer:
- Both should be removed for proper disposal 1 / 4
Question:
To minimize safety concerns and to speed structural drying, gypsum board (drywall) ceilings that are saturated and sagging should be
Answer:
- drained, removed quickly, and properly disposed
Question:
The force exerted by water molecules in the air on surrounding surfaces is
Answer:
- Vapor Pressure (page 11)
Question:
Generally, fastest rate of evaporation from wet materials with a 70F (21C) surface temperature [0.67 VP] would be an environment with
Answer:
- 60F (4C) and 80% RH
Question:
Two hazardous materials more likely found in older building that require compliance with laws and regulations when handled are
Answer:
- lead-based paint and asbestos 2 / 4
Question:
As humidity ratio increases (or decreases) another psychrometric chart property that also increases (or decreases) is
Answer:
- vapor pressure
Question:
Ventilating a structure during the initial stages of restoration can be effective way to enhance drying by reducing the build up of
Answer:
- humidity
Question:
When using government-registered biocide, restorers shall
Answer:
- apply according to label directions
Question:
Intentionally using outdoor air to reduce indoor humidity is known as
Answer:
- an open drying system
- / 4
Question:
To confirm that proper drying conditions were established and also that
drying goals were met, restorers should maintain written logs to include:
Answer:
- an atmospheric humidity record and materials moisture content record
Question:
A closed drying system is recommended during restoration when
Answer:
- outdoor humidity ratio is higher than indoor humidity ratio
Question:
The rating for water removal of refrigerant dehumidification normally is expressed in pints of water removed in 24 hours at standard AHAM test conditions of
Answer:
- 80 F (27C) and 60% RH
Question:
The temperature at which air reaches 100% relative humidity is known as the
Answer:
- dew point temperature
- / 4