EPA Section 608 Type I Exam Questions
with correct Answers 2025/2026 A+
Graded 100% Verified.
A) 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 - ANS- 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 - ANS- 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 - ANS- 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 - ANS- 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 - ANS- 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 - ANS- 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 - ANS- 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 - ANS- 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 - ANS- When ever nitrogen is used to pressurize or blow debris out of the
system:
A) a closed recovery tank inlet valve.
with correct Answers 2025/2026 A+
Graded 100% Verified.
A) 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 - ANS- 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 - ANS- 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 - ANS- 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 - ANS- 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 - ANS- 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 - ANS- 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 - ANS- 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 - ANS- 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 - ANS- When ever nitrogen is used to pressurize or blow debris out of the
system:
A) a closed recovery tank inlet valve.
