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IICRC S500 WATER MITIGATION EXAM
QUESTIONS WITH ANSWERS
Refrigerant dehus work under the principle of what - correct -answer-
Condensation
Refrigerant dehus work best between what temperature - correct -answer-70-90
degrees
The most effective range of temp and humidity for a conventional refrigerant is -
correct -answer-70 degrees and 70% RH
Conventional refrigerants can lower the humidity ratio to what ggp - correct -
answer-55 gpp
Low grain refrigerants can lower the humidity ratio to what gpp - correct -answer-
34 gpp
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Desiccant dehus work off of what principle - correct -answer-Adsorption
Which dehu works the best in warm conditions with high humidity - correct -
answer-Refrigerant
Which dehu creates the lowest vapor pressure - correct -answer-Desiccant
Association of Home Appliance Manufacturers (AHAM) rating for dehus is -
correct -answer-80 degrees /60 RH
Calculate the CF (cubic ft) of a room that measures 30' W x 40'L x 12'H - correct -
answer-14000 CF
Calculate how many low grain refrigerants removing 124 ppd will be needed for a
home that is flooded from a broken supply line water is wicking up walls to 12:,
the home is 1300 total SF, with 8' ceilings, on a Class 2 loss. - correct -answer-2
low grain refrigerants
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Calculate how many desiccant dehus which process 385 cfm will be needed for a
home that is flooded from a broken supply line water is wicking up walls to 12:,
the home is 1300 total SF, with 8' ceilings, on a Class 2 loss. - correct -answer-1
desiccant dehu
Calculate how many gallons of water in a basement that is 15' W x 15'L x 10' H
with 2' 3" of standing water. - correct -answer-3787 gallons
What is the purpose of an air filtering device - correct -answer-to remove airborne
particles from the air
What must be done prior to applying a biocide - correct -answer-vacate all
occupants and animals
What chemical can destroy all forms of life - correct -answer-Sterilizers
What does the moisture sensor probe determine - correct -answer-The perimeter
of the water damage
IICRC S500 WATER MITIGATION EXAM
QUESTIONS WITH ANSWERS
Refrigerant dehus work under the principle of what - correct -answer-
Condensation
Refrigerant dehus work best between what temperature - correct -answer-70-90
degrees
The most effective range of temp and humidity for a conventional refrigerant is -
correct -answer-70 degrees and 70% RH
Conventional refrigerants can lower the humidity ratio to what ggp - correct -
answer-55 gpp
Low grain refrigerants can lower the humidity ratio to what gpp - correct -answer-
34 gpp
,2|Page
Desiccant dehus work off of what principle - correct -answer-Adsorption
Which dehu works the best in warm conditions with high humidity - correct -
answer-Refrigerant
Which dehu creates the lowest vapor pressure - correct -answer-Desiccant
Association of Home Appliance Manufacturers (AHAM) rating for dehus is -
correct -answer-80 degrees /60 RH
Calculate the CF (cubic ft) of a room that measures 30' W x 40'L x 12'H - correct -
answer-14000 CF
Calculate how many low grain refrigerants removing 124 ppd will be needed for a
home that is flooded from a broken supply line water is wicking up walls to 12:,
the home is 1300 total SF, with 8' ceilings, on a Class 2 loss. - correct -answer-2
low grain refrigerants
, 3|Page
Calculate how many desiccant dehus which process 385 cfm will be needed for a
home that is flooded from a broken supply line water is wicking up walls to 12:,
the home is 1300 total SF, with 8' ceilings, on a Class 2 loss. - correct -answer-1
desiccant dehu
Calculate how many gallons of water in a basement that is 15' W x 15'L x 10' H
with 2' 3" of standing water. - correct -answer-3787 gallons
What is the purpose of an air filtering device - correct -answer-to remove airborne
particles from the air
What must be done prior to applying a biocide - correct -answer-vacate all
occupants and animals
What chemical can destroy all forms of life - correct -answer-Sterilizers
What does the moisture sensor probe determine - correct -answer-The perimeter
of the water damage
