EPA 608 Certification Latest Update 2024-2025
Actual Exam 100 Questions and 100% Verified
Correct Answers Guaranteed A+
A recovery cylinder must not be filled more than ___ % of it's capacity by weight? -
CORRECT ANSWER: 80%
A-1 Group Refrigerants only require what? - CORRECT ANSWER: Oxygen Deprivation
Sensor
After completing the transfer of liquid refrigerant between a recovery unit and a
refrigeration system, you should guard against what? - CORRECT ANSWER: Trapping
liquid refrigerant between the service valves.
Alkebenzene is used alone or as an additive for? - CORRECT ANSWER: HCFC's (Will
also work with CFC's)
All cooling systems containing more than 50 lbs. of refrigerant must be repaired when
the annual leak rate exceeds___? - CORRECT ANSWER: 15%
All refrigerants are assumed to be a single chemical if they are numbered what? -
CORRECT ANSWER: 1-399 and 600 and above.
All refrigeration systems containing more than 50 lbs. of refrigerant must be repaired
when the annual leak rate exceeds___? - CORRECT ANSWER: 35%
Azeotrope's are numbered what? - CORRECT ANSWER: 500 to 599
, Can Reclaimed refrigerant be resold? - CORRECT ANSWER: Yes, but must meet the
standard set forth in ARI 700 before it can be resold.
Can Recycled refrigerant be resold? - CORRECT ANSWER: It cannot be re-sold but it
can be re-used.
CFC's - CORRECT ANSWER: ChloroFluoroCarbon's
Depletion of the ozone in the stratosphere is know to cause what 6 things? - CORRECT
ANSWER: 1.Crop losses
2.Increases in eye diseases
3.Skin Cancer
4.Reduced marine life
5.Deforestation
6.Increased ground level ozone
Enough vapor has entered the system and you may begin charging liquid refrigerant
when the refrigerant saturation temperature increases to? - CORRECT ANSWER: 36F
Excessive moisture collection in the purge unit can indicate what? - CORRECT
ANSWER: Tube Leakage
HCFC's - CORRECT ANSWER: HydroChloroFluoroCarbons
HCFC's have very low atmospheric concentrations measured in parts per? - CORRECT
ANSWER: Trillion
HFC's - CORRECT ANSWER: HydroFlouroCarbon's
How should refrigerant cylinders be shipped? - CORRECT ANSWER: Up-right with
proper DOT classification tags.
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