NAFA CAFS /Exam Questions and Answers
Question 1
What are the active charged media types?
Correct Answer
Triboelectric charging, corona charging, charging by induction
Question 2
Lofted glass media can be found most often in what style filter
Correct Answer
Pocket or rigid
Question 3
What are the different types of air cleaners
Correct Answer
media, electronic, agglomorators
Question 4
What is the min eff for a Super ULPA
Correct Answer
99.9999% on MPPS
Question 5
A 2 stage air cleaner utilizes what 2 things?
Correct Answer
An Ionizer section, a collector section
Page 1 of 23
,Question 6
What are the IAQ testing applications
Correct Answer
Particulate contaminants, Gas phase, systems integrity, comfort parameters
Question 7
Two types of gasketing for HEPA's are?
Correct Answer
closed cell neoprene and non newtonian gel seal
Question 8
What is Gas?
Correct Answer
Any material that has the tendency to expand indefinitely and which completely and
uniformly fills the container it occupies
Question 9
Baffle grease filters must meet the requirements of NFPA standard
Correct Answer
96
Question 10
Humidity can hinder?
Correct Answer
Adsorption
Page 2 of 23
, Question 11
What is Adsorption
Correct Answer
the process by which gas molecules adhere to surfaces - the strength of the bond
depends on the van der waal forces between the gas and the surface
Question 12
What are the Merv rating/color coded of lofted microglass media
Correct Answer
yellow=14, Pink=13, orange=11, tan 50=9
Question 13
What are vapors?
Correct Answer
Gases formed by evaporation of materials that are normally a liquid or solid
Question 14
PCO has how many types of reactor configurations
Correct Answer
4
Question 15
Healthcare facilities follow filter guidelines of?
Correct Answer
American Institute of Architects (AIA)
Question 16
how do mechanical filters remove dust
Correct Answer
capturing on media
Page 3 of 23
Question 1
What are the active charged media types?
Correct Answer
Triboelectric charging, corona charging, charging by induction
Question 2
Lofted glass media can be found most often in what style filter
Correct Answer
Pocket or rigid
Question 3
What are the different types of air cleaners
Correct Answer
media, electronic, agglomorators
Question 4
What is the min eff for a Super ULPA
Correct Answer
99.9999% on MPPS
Question 5
A 2 stage air cleaner utilizes what 2 things?
Correct Answer
An Ionizer section, a collector section
Page 1 of 23
,Question 6
What are the IAQ testing applications
Correct Answer
Particulate contaminants, Gas phase, systems integrity, comfort parameters
Question 7
Two types of gasketing for HEPA's are?
Correct Answer
closed cell neoprene and non newtonian gel seal
Question 8
What is Gas?
Correct Answer
Any material that has the tendency to expand indefinitely and which completely and
uniformly fills the container it occupies
Question 9
Baffle grease filters must meet the requirements of NFPA standard
Correct Answer
96
Question 10
Humidity can hinder?
Correct Answer
Adsorption
Page 2 of 23
, Question 11
What is Adsorption
Correct Answer
the process by which gas molecules adhere to surfaces - the strength of the bond
depends on the van der waal forces between the gas and the surface
Question 12
What are the Merv rating/color coded of lofted microglass media
Correct Answer
yellow=14, Pink=13, orange=11, tan 50=9
Question 13
What are vapors?
Correct Answer
Gases formed by evaporation of materials that are normally a liquid or solid
Question 14
PCO has how many types of reactor configurations
Correct Answer
4
Question 15
Healthcare facilities follow filter guidelines of?
Correct Answer
American Institute of Architects (AIA)
Question 16
how do mechanical filters remove dust
Correct Answer
capturing on media
Page 3 of 23
