EPA 608 Practice Test #1 UPDATED
ACTUAL Exam Questions and CORRECT
Answers
CFCs are able to reach the stratosphere because? - CORRECT ANSWER They are chemically
very stable
The lower case letter following the refrigerant number, as in 134a for example, is the? -
CORRECT ANSWER Form of the isomer
What refrigerants are toxic? - CORRECT ANSWER Group 2
What group of refrigerants are nonflammable mixtures of group 1 & 3 refrigerants, which are
nonflammable as formulated but who's composition can become flammable do to fractionation
under some leakage situations - CORRECT ANSWER Group 4
What group of refrigerants are flammable but not toxic? - CORRECT ANSWER Group 3
What group of refrigerants do not show flame propagation? - CORRECT ANSWER Group 1
R-134a refrigerant tanks are what color? - CORRECT ANSWER Light Blue
Disposable cylinders are manufactured to specifications established by? - CORRECT
ANSWER DOT
Every refrigerant cylinder is equipped with what device that will automatically vent pressure
from the cylinder before it reaches the rupture point? - CORRECT ANSWER Safety
(pressure) relief valve
, Refillable cylinders are regulated in their design, fabrication & tested by who for use in the
transportation of refrigerants? - CORRECT ANSWER DOT
Capturing and ultimately eliminating the use of chlorofluorocarbons is being done in the United
States to stop damage to what layer of the ozone? - CORRECT ANSWER Stratospheric
State and local government's may establish laws that contain what kind of regulations than Clean
Air Act/EPA regulations? - CORRECT ANSWER Stricter
What does the clean air act state? - CORRECT ANSWER Calls for the phase-out of
CFC/HCFC production also prohibits CFC/HCFC venting as of July 1, 1992 and requires the
EPA to set standards for equipment and technicians
Before you dispose of any appliance containing what refrigerant, you must recover the
refrigerant - CORRECT ANSWER CFC, HFC, HCFC
CFCs can no longer be manufactured or imported into the United States after what year? -
CORRECT ANSWER December 31, 1995
Recovery cylinders are painted what color in the shoulder area and 12 inches down the side? -
CORRECT ANSWER Yellow
Refrigerant cylinders must be retested at what intervals? - CORRECT ANSWER Five years
Chemically, oxygen is O2 & ozone is? - CORRECT ANSWER O3
After what year individual servicing and disposing of air-conditioning and refrigeration
equipment are prohibited from knowingly venting refrigerant into the atmosphere? - CORRECT
ANSWER July 1, 1992
ACTUAL Exam Questions and CORRECT
Answers
CFCs are able to reach the stratosphere because? - CORRECT ANSWER They are chemically
very stable
The lower case letter following the refrigerant number, as in 134a for example, is the? -
CORRECT ANSWER Form of the isomer
What refrigerants are toxic? - CORRECT ANSWER Group 2
What group of refrigerants are nonflammable mixtures of group 1 & 3 refrigerants, which are
nonflammable as formulated but who's composition can become flammable do to fractionation
under some leakage situations - CORRECT ANSWER Group 4
What group of refrigerants are flammable but not toxic? - CORRECT ANSWER Group 3
What group of refrigerants do not show flame propagation? - CORRECT ANSWER Group 1
R-134a refrigerant tanks are what color? - CORRECT ANSWER Light Blue
Disposable cylinders are manufactured to specifications established by? - CORRECT
ANSWER DOT
Every refrigerant cylinder is equipped with what device that will automatically vent pressure
from the cylinder before it reaches the rupture point? - CORRECT ANSWER Safety
(pressure) relief valve
, Refillable cylinders are regulated in their design, fabrication & tested by who for use in the
transportation of refrigerants? - CORRECT ANSWER DOT
Capturing and ultimately eliminating the use of chlorofluorocarbons is being done in the United
States to stop damage to what layer of the ozone? - CORRECT ANSWER Stratospheric
State and local government's may establish laws that contain what kind of regulations than Clean
Air Act/EPA regulations? - CORRECT ANSWER Stricter
What does the clean air act state? - CORRECT ANSWER Calls for the phase-out of
CFC/HCFC production also prohibits CFC/HCFC venting as of July 1, 1992 and requires the
EPA to set standards for equipment and technicians
Before you dispose of any appliance containing what refrigerant, you must recover the
refrigerant - CORRECT ANSWER CFC, HFC, HCFC
CFCs can no longer be manufactured or imported into the United States after what year? -
CORRECT ANSWER December 31, 1995
Recovery cylinders are painted what color in the shoulder area and 12 inches down the side? -
CORRECT ANSWER Yellow
Refrigerant cylinders must be retested at what intervals? - CORRECT ANSWER Five years
Chemically, oxygen is O2 & ozone is? - CORRECT ANSWER O3
After what year individual servicing and disposing of air-conditioning and refrigeration
equipment are prohibited from knowingly venting refrigerant into the atmosphere? - CORRECT
ANSWER July 1, 1992
