Page 1 of 22
NAFA CAFS EXAM TEST | FREQUENTLY
TESTED QUESTIONS WITH CORRECT
ANSWERS | BRAND NEW!
ANSI/ ASHRAE 52.2 composite categories - ✔✔✔ Correct Answer > E1
is 0.3-1.0 / E2 is 1.0-3.0 / E3 is 3.0-10.0
Aerosols cover a wide range of sizes. True or false? - ✔✔✔ Correct
Answer > True.
NAFA Guide to Air Filtration, 5th ed. 2014, page 1.2
Metal working fluids (MWF) are used to:
a.) Reduce the temperature of the cutting tools
b.) Reduce the temperature of the production part
c.) Clean the production part
d.) All of the above - ✔✔✔ Correct Answer > d.) All of the above.
,Page 2 of 22
MWF are used to cool, lubricate, and clean the produced part and
the tools.
NAFA Guide to Air Filtration, 5th ed. 2014, page 15.1
Properly designed source-capture mist collection systems must
have continuous airflow. True or false? - ✔✔✔ Correct Answer > True.
NAFA Guide to Air Filtration, 5th ed. 2014, page 15.4
Oil mist and smoke separators can be divided into what 3 parts? -
✔✔✔ Correct Answer > 1.) Media-type filtration systems
2.)Centrifugal separators and cyclone separators
3.)Electrostatic precipitators
NAFA Guide to Air Filtration, 5th ed. 2014, page 15.5
Shaker baghouses are named "Shaker" because:
a.) They were developed by Father James Whittaker, a leader in
the Shaker religion, in 1789, for use in his woodshop.
b.) Shaker stands for Small-particulate Housing And Keeper
Equipment Receptacle
, Page 3 of 22
c.) They use a mechanical system to gently shake the bags from
above - ✔✔✔ Correct Answer > c.) They use a mechanical system to
gently shake the bags from above
NAFA Guide to Air Filtration, 5th ed. 2014, page 15.9
In dust separation, ___________ separators are used when space
constraints are significant. - ✔✔✔ Correct Answer > Cartridge
NAFA Guide to Air Filtration, 5th ed. 2014, page 15.10
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" - ✔✔✔
Correct 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 CAFS EXAM TEST | FREQUENTLY
TESTED QUESTIONS WITH CORRECT
ANSWERS | BRAND NEW!
ANSI/ ASHRAE 52.2 composite categories - ✔✔✔ Correct Answer > E1
is 0.3-1.0 / E2 is 1.0-3.0 / E3 is 3.0-10.0
Aerosols cover a wide range of sizes. True or false? - ✔✔✔ Correct
Answer > True.
NAFA Guide to Air Filtration, 5th ed. 2014, page 1.2
Metal working fluids (MWF) are used to:
a.) Reduce the temperature of the cutting tools
b.) Reduce the temperature of the production part
c.) Clean the production part
d.) All of the above - ✔✔✔ Correct Answer > d.) All of the above.
,Page 2 of 22
MWF are used to cool, lubricate, and clean the produced part and
the tools.
NAFA Guide to Air Filtration, 5th ed. 2014, page 15.1
Properly designed source-capture mist collection systems must
have continuous airflow. True or false? - ✔✔✔ Correct Answer > True.
NAFA Guide to Air Filtration, 5th ed. 2014, page 15.4
Oil mist and smoke separators can be divided into what 3 parts? -
✔✔✔ Correct Answer > 1.) Media-type filtration systems
2.)Centrifugal separators and cyclone separators
3.)Electrostatic precipitators
NAFA Guide to Air Filtration, 5th ed. 2014, page 15.5
Shaker baghouses are named "Shaker" because:
a.) They were developed by Father James Whittaker, a leader in
the Shaker religion, in 1789, for use in his woodshop.
b.) Shaker stands for Small-particulate Housing And Keeper
Equipment Receptacle
, Page 3 of 22
c.) They use a mechanical system to gently shake the bags from
above - ✔✔✔ Correct Answer > c.) They use a mechanical system to
gently shake the bags from above
NAFA Guide to Air Filtration, 5th ed. 2014, page 15.9
In dust separation, ___________ separators are used when space
constraints are significant. - ✔✔✔ Correct Answer > Cartridge
NAFA Guide to Air Filtration, 5th ed. 2014, page 15.10
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" - ✔✔✔
Correct 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.
