EPA 608 Certification Exam Latest Update 2024-
2025 Actual Exam 100 Questions and 100%
Verified Correct Answers Guaranteed A+
A condition of excessive superheat at the evaporator outlet and compressor inlet of an
air conditioning system could be an indication of: - CORRECT ANSWER: Low on
refrigerant charge
A low pressure chiller generally has the rupture disk set at: - CORRECT ANSWER: 15
psig
A low pressure chiller providing comfort cooling that has an annual leak rate of ___ % of
the total charge, must be repaired: - CORRECT ANSWER: 15%
A major repair is defined by EPA, as replacing the: - CORRECT ANSWER: Compressor
or the Evaporator
A nitrogen tank should always be equipped with a: - CORRECT ANSWER: Pressure
regulator
A system has been operating with a complete restriction at the capillary tube inlet, what
access is required for recovery? - CORRECT ANSWER: One access valve on the high
side of the system
A system that fails to hold a vacuum after the evacuation process: - CORRECT
ANSWER: May contain moisture
May have a leak
As of what date did it become unlawful to intentionally release Class 1 and Class 2
refrigerants to the atmosphere? - CORRECT ANSWER: July 1, 1992
, At room ambient temperature of 80 degrees F, the pressure of a cylinder containing R-
22 will be - CORRECT ANSWER: 143 psig
Before a low pressure appliance is dismantled and salvaged: - CORRECT ANSWER:
The refrigerant must be recovered
Before disposing of a small appliance containing R-12, it is necessary to: - CORRECT
ANSWER: Recover the refrigerant
CFC an HCFC refrigerants can cause suffocation because - CORRECT ANSWER:
They are heavier than air and displace oxygen
CFC's will not be manufactured in the united states after: - CORRECT ANSWER: 1995
Comfort cooling chillers and all other equipment with an annual leak rate of ___%
requires repair under EPA regulations: - CORRECT ANSWER: 15%
Containers of refrigerant R-134a are cooler coded: - CORRECT ANSWER: Light Blue
deep vacuums used for evacuation and dehydration of systems are measured in: -
CORRECT ANSWER: Microns
Disposable refrigerants cylinders should be disposed of by: - CORRECT ANSWER:
Rendering useless and sent to salvage
exceptions to the required levels for recovery equipment that require an appliance be
evacuated to only 0 psig apply to applications that: - CORRECT ANSWER: Are filled
with water or substances that would damage the recovery equipment
For small appliances use, the recovery equipment manufactured after November 15,
1993, must be capable of recovery: - CORRECT ANSWER: 80% of the refrigerant when
the compressor is not operating or achieve a 4-inch vacuum under ARI 740-1993
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