CMR Exam - Questions With Complete Solutions
According to IICRC S500, the time necessary to dry structural wood is
dependent on which of the following? Correct Answer - Ambient RH
According to the book Fungal Contamination, a large area to be remediated is
one greater than Correct Answer - 100 SF
According to the book Fungal Contamination, what happens to the pressure
when the leakage area is doubled Correct Answer - Pressure drop is
reduced to ¼
Air filtration devices may reduce all of the following, except Correct
Answer - Heat stress risk
An area with actual fungal growth visually observed is considered Correct
Answer - Condition 3
An area with settled spores from adjacent contaminated areas is considered
Correct Answer - Condition 2
An EPA registered antimicrobial should only be used in the HVAC system after
Correct Answer - system has been cleaned
Before an air scrubber is removed from a job site, it should be Correct
Answer - Cleaned and dried
Before moving a HEPA vacuum from one area to another, which of the
following should be done? Correct Answer - should be cleaned and
sealed
Before remediation activities commence, which of the following should
happen? Correct Answer - Erect an enclosure, install negative air
machines, check the containment
, Billowing containment demonstrates which of the following? Correct
Answer - There is a pressure differential
Biocides should only be considered in HVAC systems after Correct
Answer - surfaces have been cleaned
Can your nose detect microbial volatile organic compounds (mVOCs)?
Correct Answer - Yes
Dirty cooling coils will cause Correct Answer - Reduction in latent heat
removal capacity
Contents that have been cleaned can be moved back into the remediated area
Correct Answer - When both are Condition 1
Errors and Omissions Insurance covers which of the following? Correct
Answer - Professional mistakes
Fan blades with bacteria and mold growth should be replaced unless
Correct Answer - They can be cleaned and returned to a smooth surface
For contents remediation, which of the following techniques should never be
followed? Correct Answer - Encapsulation
How do you calculate the volume of a room? Correct Answer - Length x
width x height
IICRC S520 highly recommends which of the following flame-spread ratings
for polyethylene sheeting used in containment? Correct Answer - 25 or
less
In IICRC S520, what does IEP stand for? Correct Answer - Indoor
Environmental Professional
In remediation, which party should specify the laboratory to be used for
analysis of samples? Correct Answer - IEP
Is an infrared camera a useful tool when moisture mapping a job site?
Correct Answer - Yes
According to IICRC S500, the time necessary to dry structural wood is
dependent on which of the following? Correct Answer - Ambient RH
According to the book Fungal Contamination, a large area to be remediated is
one greater than Correct Answer - 100 SF
According to the book Fungal Contamination, what happens to the pressure
when the leakage area is doubled Correct Answer - Pressure drop is
reduced to ¼
Air filtration devices may reduce all of the following, except Correct
Answer - Heat stress risk
An area with actual fungal growth visually observed is considered Correct
Answer - Condition 3
An area with settled spores from adjacent contaminated areas is considered
Correct Answer - Condition 2
An EPA registered antimicrobial should only be used in the HVAC system after
Correct Answer - system has been cleaned
Before an air scrubber is removed from a job site, it should be Correct
Answer - Cleaned and dried
Before moving a HEPA vacuum from one area to another, which of the
following should be done? Correct Answer - should be cleaned and
sealed
Before remediation activities commence, which of the following should
happen? Correct Answer - Erect an enclosure, install negative air
machines, check the containment
, Billowing containment demonstrates which of the following? Correct
Answer - There is a pressure differential
Biocides should only be considered in HVAC systems after Correct
Answer - surfaces have been cleaned
Can your nose detect microbial volatile organic compounds (mVOCs)?
Correct Answer - Yes
Dirty cooling coils will cause Correct Answer - Reduction in latent heat
removal capacity
Contents that have been cleaned can be moved back into the remediated area
Correct Answer - When both are Condition 1
Errors and Omissions Insurance covers which of the following? Correct
Answer - Professional mistakes
Fan blades with bacteria and mold growth should be replaced unless
Correct Answer - They can be cleaned and returned to a smooth surface
For contents remediation, which of the following techniques should never be
followed? Correct Answer - Encapsulation
How do you calculate the volume of a room? Correct Answer - Length x
width x height
IICRC S520 highly recommends which of the following flame-spread ratings
for polyethylene sheeting used in containment? Correct Answer - 25 or
less
In IICRC S520, what does IEP stand for? Correct Answer - Indoor
Environmental Professional
In remediation, which party should specify the laboratory to be used for
analysis of samples? Correct Answer - IEP
Is an infrared camera a useful tool when moisture mapping a job site?
Correct Answer - Yes
