IICRC WATER RESTORATION EXAM
2024 ACTUAL EXAM COMPLETE 350
QUESTIONS WITH DETAILED
VERIFIED ANSWERS (100% CORRECT
ANSWERS) / ALREADY GRADED A+
what are the most effective methods of drying wet
wood under hard surfaces is - ....ANSWER...heated
air flow
relative humidity is defined as the amount of
moisture contained in the air as compared to -
....ANSWER...the maximum amount the air could hold
that temperature
in the restorative drying industry the weight
measurement used to measure water vapor in air is
- ....ANSWER...grains per pound of air abbreviated as
gpp
,2|Page
what is gpp called - ....ANSWER...the humidity ratio
what is the dew point - ....ANSWER...the temperature
at which air becomes saturated with moisture Vapor
or can hold no more water vapor
when air is cooled its capacity for water is reduced
eventually if temperature is cooled enough the
relative humidity will reach - ....ANSWER...100% or
saturation when this occurs the air has reached its
dew point temperature
what is vapor pressure - ....ANSWER...the force
exerted by a liquid or gas on the surrounding
environment
the greater the weight of water vapor the greater the
water pressure there for vapor pressure dewpoint
and humidity ratio are - ....ANSWER...directly related
to each other
is open drying is heaterman appropriate the
following options will keeping building Security in
,3|Page
mind are available to the restore -
....ANSWER...ventilation fans open windows air
Movers
what is combination drying - ....ANSWER...drying
systems merge the benefits of both open and closed
drying the use of available dry air from outside and
control offered by a closed system and mechanical
dehumidification
elevating the temperature of a material will -
....ANSWER...increase the vapor pressure associated
with the moisture in the material
if the surface temperature of the material is higher
than the dew point temperature of the surrounding
air - ....ANSWER...evaporation may occur
equilibrium - ....ANSWER...water vapor pressure is
the force that drives higher concentrations of
humidity from one space to another in an attempt to
seek equilibrium with a lower concentrations of
water vapor
, 4|Page
the ability for water vapor to diffuse through a solid
material is expressed as the materials -
....ANSWER...permeance
drying systems - ....ANSWER...open closed and
combo
plywood - ....ANSWER...represents the was wood
material with the least engineering and that's the
most natural fiber bonding it is resistant to swelling
and denomination due to its wood veneer
assemblies which are glued under extreme pressure
wet particle board would normally be -
....ANSWER...removed and replaced
Plasticity plastic laminate flooring is made of -
....ANSWER...MDF and has a resin saturated
appearance layer normally removed in water
restoration due to its construction and installation
components
specific types of secondary damage associate with
contents are typically - ....ANSWER...swelling
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