IICRC S500 Water Mitigation Latest 2024 /114 Questions And Answers
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Course
IICRC WRT
Institution
IICRC WRT
Quiz :The homeowner - Answer :is responsible to take the necessary steps to preserve and protect their property from further damage
Quiz :Four principles of water damage restoration: - Answer :Provide for health and safety of workers and occupants; Document everything; Mitigate, and Dry
Q...
IICRC S500 Water Mitigation Latest 2024 /114
Questions And Answers
Quiz :The homeowner - Answer :is responsible to take the necessary steps to
preserve and protect their property from further damage
Quiz :Four principles of water damage restoration: - Answer :Provide for
health and safety of workers and occupants; Document everything; Mitigate,
and Dry
Quiz :Four principles of drying - Answer :Extract, Evaporate, dehumidify,
control temp
Quiz :Extraction - Answer :is removing excess water and is the first step in
mitigation
Quiz :Evaporation - Answer :is achieved by using energy (heat) to transform
water trapped in porous materials into a vapor, thereby releasing the moisture
from the materials.
Quiz :Dehumidification - Answer :the process of removing water vapor from
the air.
Quiz :Rate of Dehumidification - Answer :must be at least equal to the rate of
evaporation.
Quiz :True or False - Answer :Elevated vapor pressure in a room Can cause
secondary damage to hygroscopic materials
Quiz :True or False - Answer :The control of temperature is important to
enhance both evaporation and dehumidification for effective drying
Quiz :True or False - Answer :When temperature increases evaporation of
absorbed water increases and water vapor suspended in air also increases.
Quiz :Classification of Water Intrusion - Answer :described as Class 1, 2, 3, or
4. Must be determined to calculate the amount of dehumidification required in
drying process, based on the amount of wet surface area, permeance/porosity
of materials in drying area.
, Quiz :Class 1 - Answer :is the least amount of water absorption and
evaporation load, affecting less 5% of porous materials with minimal
absorption into low evaporation materials.
Quiz :Class 2 - Answer :has a significant amount of water absorption and
evaporation load, affection 5-40% porous materials, with minimal absorption
into low evaporated materials
Quiz :Class 3 - Answer :has the greatest amount of water absorption and
evaporation load, affecting more than 40% porous materials and minimal
absorption into low evaporated materials
Quiz :Class 4 - Answer :has deeply held or bound water, and significant
absorption into low evaporation materials.
Quiz :Determine the Class of water for a 20' x 20' x 8 ' room, with an entirely
wet floor.. - Answer :Affected area/Total SF = % affected
400/1440 = .27777 x 100 = 28%
28% = Class 2
Quiz :Determine the Class of Water for a 20' x 20' x 8' room, with only half the
floor affected and arriving within 24 hours of loss. - Answer :Affected
area/total sf = % affected
200/1440 = .13888 x 100 = 14%
14% = Class 2
Quiz :Determine Class of water for a 20' x 20' x 8' room, with entirely wet
plywood subfloor arriving 48 hours after loss - Answer :affected area/total sf =
% affected
Class 4 due to deeply bound water sitting for long time
Quiz :Categories of Water - Answer :there are four categories - determined by
range of contamination of the source and quality of water
Quiz :Category 1 water - Answer :Water originating from sanitary water
source, with no deterioration, does not pose risk to skin or if ingested
Quiz :Category 2 Water - Answer :Water containing significant contamination
from materials, unsafe levels of microorganisms, causes discomfort or sickness.
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