WATER RESTORATION EXAM IICRC \/ IICRC
WATER RESTORATION 2023-2024 ACTUAL
EXAM 200 QUESTIONS AND CORRECT
DETAILED ANSWERS|AGRADE
when carpet delamination the loss of Integrity in the adhesives used to laminate the
primary and secondary backing has occurred further damage is very likely for this
reason when extensive carpet delamination is discovered ignitions must call it to
the attention of all materially interested parties document the condition and –
ANSWER- replacement
there are a number of causes for carpet delamination many of them related to –
ANSWER- improper restoration activities
typical causes of carpet delamination are – ANSWER- folding or stretching carpet
When Wet overly aggressive extraction improper specified underlay improper
installation improper removal of taxes trip improper floating of carpet excessive
wear pet damage
hygroscopic materials gain and lose moisture continually in an effort to equalize
with the water content in the surrounding air mass the more hygroscopic the
material the faster it will collect water vapor and the easier it will suffer –
ANSWER- secondary damage
when water intrusion results in water running through wall cavities inspection
access holes are used to ensure that blown in insulation has not compacted and lost
it – ANSWER- r value
cleaning procedures must be employed before the drying of a category 2 water loss
can continue at minimum affected underlay must be removed and disposed of and
the carpet must be thoroughly cleaned using a hot water extraction method –
ANSWER-<\/p>\n\n\n\n
various cleaning and decontamination procedures must be used on Category 3
water losses including the removal of all – ANSWER- porous materials affected by
water intrusion
mini building materials will absorb excess water vapor and suffer damage
especially when the air is allowed to remain above – ANSWER- 60% relative
humidity
abide by local laws and regulations when disposing extracted water ways water is
best disposed of into a sanitary sewer – ANSWERthe primary goal of the initial extraction of the affected area is to contain further –
ANSWER- migration of water within the structure
whenever a carpet must be disengaged from the topless strip a – ANSWER- knee
kicker and carpet all must be used
if the carpet is to be reinstalled technician should avoid cutting carpet seams unless
it is absolutely – ANSWER- necessary
how many gallons of water are present in a basement that measures 30 x 25 where
water is standing at a depth of 6 ft 9 in – ANSWER- 37867.5
the most effective way to speed up the drying process is to remove as much of the
water in the liquid state as possible during – ANSWER- extraction face pore
extraction will significantly slow the drying process
every cubic foot of standing water present in a structure contains – ANSWER- 7.48
gallons
each gallon of water weighs – ANSWER- 8.34 lb
there are three levels of biocidal activity according to the Environmental Protection
Agency – ANSWER- sanitizer disinfectant sterilizer
whenever a chemical antimicrobial or biocide is used restorers must follow the –
ANSWER- directions explicitly
most antimicrobials require that the area of application be – ANSWER- vacated by
occupants and pants during application and for a period of time after application<\/p>\n\n\n\n
establishing a dry standard is the best way to set restorative drying goals a dry
standard is established by obtaining a moisture reading using – ANSWERunaffected material
the numerical value from a moisture meter can be documented and used to monitor
progress for this reason the amount of moisture absorbed by semi Power Structural
Materials is measured most accurately with a moisture – ANSWER- moisture
meter not a moisture sensor
because of their non-invasive nature and quick surveying capabilities non-invasive
meters are the most effective tools for locating abnormal moisture behind and
beneath finishing materials such – ANSWER- ceramic tile and vinyl floor
coverings
a thermo hygrometer is used to monitor any air that can influence the – ANSWERtemperature and humidity within a restorative drying environment
after physically removing excess water the time required to dry wet materials is
influenced most by the – ANSWER- rate of evaporation
as the water is rapidly evaporated the vapor water is removed by – ANSWERdehumidification or ventilation
as moisture evaporates from a wet material the surface of the material becomes –
ANSWER- cooler because energy is released from the material
condensation occurs when a vapor changes to a – ANSWER- liquid occurs as
energy is removed
sublimation occurs when a solid changes to a vapor without going through a liquid
phase – ANSWERfreeze drying sublimation is typically used with valuable saturated books and
documents books and documents saturated with clean water maybe restorable if –
ANSWER- Frozen or dried as quickly as possible
when the air temperature increases it can hold – ANSWER- more water vapor
<\/p>\n","protected":false},"excerpt":{"rendered":"
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