SOLVED STUDY QUESTIONS WITH CORRECT VERIFIED
SOLUTIONS GUARANTEED PASS | RATED A+
In paint booths for luxury or quality merchandise, the make-up air must contain no particles 5
micron and larger, because:
a.) This is the size particle must inhaled by the operator
b.) This size particle is not captured by the exhaust filters
c.) This size particle can cause the paint finish to "fish-eye" - Answer>>> c.) c.) This size
particle can cause the paint finish to "fish-eye"
Note: The book does not use the term "fish-eye", but this is is how it was described on the test.
NAFA Guide to Air Filtration, 5th ed. 2014, page 16.3
An _____________ ___ classified filter is a filter that, when clean, will burn moderately when
attacked by flame or emit moderate amounts of smoke, or both. - Answer>>> ANSI/UL 900
NAFA Guide to Air Filtration, 5th ed. 2014, page 7.8
What is the difference between a ring panel and a link? - Answer>>> Ring panel - filters that
incorporate a wire frame sewn into the filter media
Link panel - there is more than one wire frame sewn into the media linked together
A panel filter has a media velocity that is lower than it's face velocity. True or false? -
Answer>>> False. A panel filter has the same media velocity as face velocity.
, NAFA Guide to Air Filtration, 5th ed. 2014, page 3.1
Short-wave ultraviolet radiation in the "C" band, has a germicidal effect on microorganisms.
What span of wavelengths does this utilize?
a.) 1-10
b.) 1800-1930
c.) 200-280
d.) 100-200 - Answer>>> c.) 200-280 nanometers
NAFA Guide to Air Filtration, 5th ed. 2014, page 14.1
Airborne particles are attracted to fibers that have a charge opposite of their own. This attraction
is diminished when the air is _______, and as particles build up on the fibers. - Answer>>>
Humid.
NAFA Guide to Air Filtration, 5th ed. 2014, page 3.3
ASHRAE recommends that orthopedic operating rooms, bone marrow transplant rooms, and
organ transplant rooms have 3 banks of filters for air entering the room. What are the MERV
ratings of those 3 banks? - Answer>>> First bank: MERV 8
Second bank: MERV 14
Third bank: Terminal HEPA
NAFA Guide to Air Filtration, 5th ed. 2014, page 10.7