IICRC WRT Water Restoration Technician
Exam Questions With Verified Answers
(Latest 2026/2027) Graded A+.
Areas of high vapor pressure seeks areas of low vapor pressure - correct -
answerWhat does it mean when we say, "nature always seeks an equilibrium?"
70 F/70% - correct -answer-Considering the following measurements, which is
the highest humidity ratio (or dewpoint temperature or vapor pressure) 90F/30%
OR 40F/40% OR 50 F/80% OR 70 F/70%
ANSI/IICRC S-500 Water Damage Standards - correct -answer-What document
dictates the Standards for the Water Damage Restoration Industry?
40 F/40% - correct -answer-Considering the following measurements, which is
the lowest humidity ratio (or dewpoint temperature or vapor pressure) 90F/30%
OR
40F/40% OR 50 F/80% OR 70 F/70%
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Warmer and dryer - correct -answer-If the inside is "warm and wet" then what
conditions would be necessary outside if we were to use the outdoor air to dry the
structure?
Warm the structure up - correct -answer-Category one water; 45°F in the house.
How would you address the drain?
Cooler because the molecules absorb energy - correct -answer-When water
evaporates, does the surface become cooler or hotter? Why?
70% - correct -answer-What relative humidity (and above) can support microbial
growth?
GPP humidity ratio/dewpoint/vapor pressure. They are related to each other only in
the way they move - correct -answer-What three pieces of information on the
right hand side of the psychometric chart? Are they related to each other?
60 - correct -answer-Inside of the house is 75°F and 60% relative humidity. How
cold is the windows have to be in order to collect condensation?
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terms of payment - correct -answer-What should be indicated on that contract?
29% - correct -answer-If the humidity ratio is 45GPP at 80°F... What is the
relative humidity?
92 - correct -answer-At 70°F and 60% relative humidity... What temperature is
required to bring relative humidity to 30%?
1 - correct -answer-How many air movers are installed in each affected room to
start?
50 to 70 - correct -answer-Add one air mover for every "how many" square feet
of floor (including 2 feet up walls)?
100 to 150 - correct -answer-Add another air mover for every "how many" square
feet for wet walls above 2 feet high?