EPA Section 608 Type I verified questions with
correct answers 2026\2027 A+ Grade
1) the technician certification is grandfathered for six months to allow time for taking the recertification
exam.
B) a new certification test must be taken within 90 days to be recertified.
C) a new certification test must be taken within 90 days to be recertified.
D) it is the technician's responsibility to comply with any future changes in the law.
Answer: D
- correct answer If the EPA regulations should change after a technician becomes certified:
A) hydrozine gas.
B) helium gas.
C) phosgene gas.
D) all of the above will be formed.
Answer: C
- correct answer At high temperatures, (i.e., open flames, glowing metal surfaces, etc.) R-12 and R-22
can decompose to form:
A) R-123
B) R-24
C) R-141a/141b blend
D) R-134a
Answer: D
- correct answer Which of the following refrigerants is most commonly used as a replacement for R-12 in
new household refrigerators?
,A) May 15, 1993.
B) June 15, 1992.
C) July 15, 1993.
D) November 15, 1993.
Answer: D
- correct answer Recovery equipment used for the service or repair of small appliances must be certified
by an EPA- approved laboratory if the recovery
equipment was manufactured after:
A) 4 pounds
B) 5 pounds
C) 7 pounds
D) 10 pounds
Answer: B
- correct answer What is the maximum allowable factory charge of refrigerant for Type I appliances?
A) The pressure reading along with a temperature reading can indicate if there is excessive air or other
non-condensables in the cylinder.
B) The pressure reading can indicate the remaining cylinder capacity.
C) The pressure reading can indicate if the refrigerant has been damaged.
D) both "a" and "c".
Answer: A
- correct answer Why is it important to obtain an accurate pressure reading of refrigerant inside a
recovery cylinder?
A) recovering 90% of the refrigerant when the compressor is operating or achieving a 4 inch vacuum
under the conditions of ARI 740-1993.
, B) recovering 80% of the refrigerant when the compressor is operating.
C) recovering 95% of the refrigerant when the compressor is operating or achieving a 4 inch vacuum
under the conditions of ARI740-1993.
D) recovering 85% of the refrigerant when the compressor is operating.
Answer: A
- correct answer Recovery devices that were manufactured after November 15, 1993 and are used for
recovery of refrigerant from small appliances must be
capable of:
A) they are too expensive to remain on every product.
B) they tend to leak over time.
C) they become loose and vibrate.
D) both "a" and "c"
Answer: B
- correct answer Solderless piercing valves should not remain installed on refrigeration systems after
completion of repairs because:
A) only nitrogen vapor should be used.
B) only liquid nitrogen should be used.
C) either liquid or vapor nitrogen can be used.
D) nitrogen can only be used if mixed with R-22.
Answer: A
- correct answer When ever nitrogen is used to pressurize or blow debris out of the system:
A) a closed recovery tank inlet valve.
B) excessive air or other non-condensables in the recovery tank.
C) a closed recovery tank outlet valve.
D) Either choice "A" or "B"
correct answers 2026\2027 A+ Grade
1) the technician certification is grandfathered for six months to allow time for taking the recertification
exam.
B) a new certification test must be taken within 90 days to be recertified.
C) a new certification test must be taken within 90 days to be recertified.
D) it is the technician's responsibility to comply with any future changes in the law.
Answer: D
- correct answer If the EPA regulations should change after a technician becomes certified:
A) hydrozine gas.
B) helium gas.
C) phosgene gas.
D) all of the above will be formed.
Answer: C
- correct answer At high temperatures, (i.e., open flames, glowing metal surfaces, etc.) R-12 and R-22
can decompose to form:
A) R-123
B) R-24
C) R-141a/141b blend
D) R-134a
Answer: D
- correct answer Which of the following refrigerants is most commonly used as a replacement for R-12 in
new household refrigerators?
,A) May 15, 1993.
B) June 15, 1992.
C) July 15, 1993.
D) November 15, 1993.
Answer: D
- correct answer Recovery equipment used for the service or repair of small appliances must be certified
by an EPA- approved laboratory if the recovery
equipment was manufactured after:
A) 4 pounds
B) 5 pounds
C) 7 pounds
D) 10 pounds
Answer: B
- correct answer What is the maximum allowable factory charge of refrigerant for Type I appliances?
A) The pressure reading along with a temperature reading can indicate if there is excessive air or other
non-condensables in the cylinder.
B) The pressure reading can indicate the remaining cylinder capacity.
C) The pressure reading can indicate if the refrigerant has been damaged.
D) both "a" and "c".
Answer: A
- correct answer Why is it important to obtain an accurate pressure reading of refrigerant inside a
recovery cylinder?
A) recovering 90% of the refrigerant when the compressor is operating or achieving a 4 inch vacuum
under the conditions of ARI 740-1993.
, B) recovering 80% of the refrigerant when the compressor is operating.
C) recovering 95% of the refrigerant when the compressor is operating or achieving a 4 inch vacuum
under the conditions of ARI740-1993.
D) recovering 85% of the refrigerant when the compressor is operating.
Answer: A
- correct answer Recovery devices that were manufactured after November 15, 1993 and are used for
recovery of refrigerant from small appliances must be
capable of:
A) they are too expensive to remain on every product.
B) they tend to leak over time.
C) they become loose and vibrate.
D) both "a" and "c"
Answer: B
- correct answer Solderless piercing valves should not remain installed on refrigeration systems after
completion of repairs because:
A) only nitrogen vapor should be used.
B) only liquid nitrogen should be used.
C) either liquid or vapor nitrogen can be used.
D) nitrogen can only be used if mixed with R-22.
Answer: A
- correct answer When ever nitrogen is used to pressurize or blow debris out of the system:
A) a closed recovery tank inlet valve.
B) excessive air or other non-condensables in the recovery tank.
C) a closed recovery tank outlet valve.
D) Either choice "A" or "B"
