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Exam (elaborations)

Water Restoration Exam – IICRC S500 | Professional Certification Study Material | Complete Exam Questions with Correct Answers

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This document contains a comprehensive collection of IICRC Water Restoration exam questions with verified correct answers, covering the full scope of the IICRC S500 standard. Topics include water categories and classes, safety protocols, psychrometrics, drying systems, moisture measurement, dehumidification, microbial control, and material-specific drying techniques. It is suitable as complete exam preparation material for technicians and professionals preparing for the IICRC Water Restoration certification exam.

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Institution
Water Restoration
Module
Water Restoration

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Uploaded on
January 14, 2026
Number of pages
23
Written in
2025/2026
Type
Exam (elaborations)
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WATER RESTORATION EXAM IICRC EXAM
QUESTIONS WITH CORRECT ANSWERS



After safety concerns have been addressed and the initial water source has
been stopped, the restorer must complete an evaluation of the water's
migration through the structure. During this process, the restorer inspects
all areas. --CORRECT
ANSWER--potentially affected



the ultimate goal is to find the edge of water migration which moves in a
three dimensional path throughout the structure. this is accomplished
across carpeted surfaces using a and across most hard surfaces
using a (non-penetrating) moisture meter. --
CORRECT ANSWER--moisture sensor , non-invasive



water from a clean source with no substantial risk of causing sickness or
discomfort is said to be --CORRECT ANSWER--category 1




water that has significant degree of chemical biological and or physical
contamination and potential to cause sickness or discomfort is --
CORRECT ANSWER--category 2



cleaning procedures must be employed before the drying of a category 2
water loss can continue. at a minimum affected
must be removed and disposed of and carpet must be

,throughly cleaned using a hot water extraction method. --CORRECT
ANSWER--carpet underlay



When water intrusion results from a grossly unsanitary source or carries
(disease causing) agents, it is said to be Category
3. --CORRECT ANSWER--pathogenic



worker and occupant and safety are the 1st priority on every
sewage loss. areas affected by category 3 water intrusion are marked and
posted as potentially hazardous. --CORRECT ANSWER--health



Various cleaning and decontamination procedures must be used on
Category 3 water losses, including the removal of all




materials affected by the water intrusion. --CORRECT ANSWER-- highly
porous




when resistance is encountered and performing proper services in a
category 3 water loss becomes a challenge restorers


immediately to prevent liability and address the conflict. --CORRECT
ANSWER--stop work



Third party experts are commonly referred to as Indoor Environmental
Professionals, or . --CORRECT ANSWER--

, IEP



The most critical course of action in restoration during is to
an
begin as soon as possible --CORRECT ANSWER--
respond quickly & mitigation



All restorers should follow the standard of care for the water restoration
profession developed by the restoration industry entitled the IICRC
. --CORRECT ANSWER--s500



to help protect technicians from the many hazards associated with
contaminated water losses restorers need to have ready access to several
items. these items protect for all to
the body.
--CORRECT ANSWER--potential exposures




respiratory protection regulations state that the employer must provide
--CORRECT ANSWER--1. medical evaluations

2. fit testing

3. training



the contract clearly states the agreement between the building owner and
the restoration contractor. the form specifies who is responsible for
payment and should be signed work begins --

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