EPA Certification EXAM QUESTIONS
AND VERIFIED CORRECT ANSWERS
GRADED A+ [LATEST 2026-2027] 100%
GUARANTEED
A system that fails to hold a vacuum after the evacuation process: - CORRECT ANSWER-May
contain moisture
May have a leak
To recover refrigerant is to: - CORRECT ANSWER-Remove refrigerant is any condition from a
system in either an active or passive manner, and store it in an external container without
necessarily testing or processing.
The process that reduces contaminate in used refrigerant by oil separation with single and
multiple passes through devices such as replaceable filter core driers, which reduces moisture,
acidity, and particulate matter is: - CORRECT ANSWER-Recycling
The synthetic lubricant used with HCFC-based ternary blends is: - CORRECT ANSWER-Alkyl
benzene
R-134a is "drop-in" refrigerant for: - CORRECT ANSWER-R-134a is not a Drop-in refrigerant
The refrigerant condition and state entering the condenser of an air conditioner is a: - CORRECT
ANSWER-Superheated Vapor
, The condition and state entering the condenser of an air conditioner is a: - CORRECT ANSWER-
Subcooled liquid
The component of an air conditioning system that changes a low pressure vapor to a high
pressure vapor is the: - CORRECT ANSWER-Compressor
Refrigerant cylinders should be shipped - CORRECT ANSWER-In the vertical upright position
For the maintenance, service or repair of small appliances, recovery equipment manufactured
after ________ must be certified by an EPA approved organization? - CORRECT ANSWER-
November 15, 1993
Which best describes the definition of Type 1 "small appliance" as defined by EPA? - CORRECT
ANSWER-Systems manufactured, charged and hermetically sealed with five (5) pounds or less
of refrigerant
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
90% of the refrigerant when the compressor is operating or achieve a 4-inch vacuum under ARI
740-1993
The sale of Class 1 and Class 2 refrigerants will be restricted to technicians certified by an EPA
approved program after: - CORRECT ANSWER-November 14, 1994
The release of vapor from the top of a graduated charging cylinder, when filling, should: -
CORRECT ANSWER-Not be vented and should be recoverd
AND VERIFIED CORRECT ANSWERS
GRADED A+ [LATEST 2026-2027] 100%
GUARANTEED
A system that fails to hold a vacuum after the evacuation process: - CORRECT ANSWER-May
contain moisture
May have a leak
To recover refrigerant is to: - CORRECT ANSWER-Remove refrigerant is any condition from a
system in either an active or passive manner, and store it in an external container without
necessarily testing or processing.
The process that reduces contaminate in used refrigerant by oil separation with single and
multiple passes through devices such as replaceable filter core driers, which reduces moisture,
acidity, and particulate matter is: - CORRECT ANSWER-Recycling
The synthetic lubricant used with HCFC-based ternary blends is: - CORRECT ANSWER-Alkyl
benzene
R-134a is "drop-in" refrigerant for: - CORRECT ANSWER-R-134a is not a Drop-in refrigerant
The refrigerant condition and state entering the condenser of an air conditioner is a: - CORRECT
ANSWER-Superheated Vapor
, The condition and state entering the condenser of an air conditioner is a: - CORRECT ANSWER-
Subcooled liquid
The component of an air conditioning system that changes a low pressure vapor to a high
pressure vapor is the: - CORRECT ANSWER-Compressor
Refrigerant cylinders should be shipped - CORRECT ANSWER-In the vertical upright position
For the maintenance, service or repair of small appliances, recovery equipment manufactured
after ________ must be certified by an EPA approved organization? - CORRECT ANSWER-
November 15, 1993
Which best describes the definition of Type 1 "small appliance" as defined by EPA? - CORRECT
ANSWER-Systems manufactured, charged and hermetically sealed with five (5) pounds or less
of refrigerant
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
90% of the refrigerant when the compressor is operating or achieve a 4-inch vacuum under ARI
740-1993
The sale of Class 1 and Class 2 refrigerants will be restricted to technicians certified by an EPA
approved program after: - CORRECT ANSWER-November 14, 1994
The release of vapor from the top of a graduated charging cylinder, when filling, should: -
CORRECT ANSWER-Not be vented and should be recoverd
