EPA Type 1 Quiz-Assessment Questions and Answers
Latest Update
1. If the EPA regulations should change after a technician becomes certified:
A. the technician certification is grandfathered for 6 months to allow time for
taking recertification exam
B. a new certification test must be taken within 90 days to be recertified
C. it is the technician's responsibility to comply with any future changes in the
law - Correct Answer C. it is the technician's responsibility to comply with
any future changes in the law
2. At high temperatures, (i.e., open flames, glowing metal surfaces, etc.) R-12 and
R-22 can decompose to form:
A. hydrazine gas
B. helium gas
C. phosgene gas
D. all of the above will be formed - Correct Answer C. phosgene gas
3. Which of the following refrigerants is most commonly used as a replacement for
R-12 in new household refrigerators?
A. R-123
B. R-24
C. R-141a/141b blend
D. R-134a - Correct Answer D. R-134a
4. 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. May 15, 1993
B. June 15, 1992
C. July 15, 1993
D. November 15, 1993 - Correct Answer D. November 15, 1993
5. What is the maximum allowable factory charge of refrigerant for type 1
appliances?
A. 4 pounds
B. 5 pounds
C. 7 pounds
, D. 10 pounds - Correct Answer B. 5 pounds
6. why is it important to obtain an accurate pressure reading of refrigerant inside a
recovery cylinder?
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 - Correct Answer A- the pressure reading along with a
temperature reading can indicate if there is excessive air or other non-
condensables in the cylinder
7. Recovery devices that were manufactured after November 15, 1993 and are
used for recovery of refrigerant from small appliances must be capable of:
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 -
Correct Answer A. recovering 90% of the refrigerant when the
compressor is operating or achieving a 4 inch vacuum under the
conditions of ARI 740-1993
8. Solderless piercing valves should not remain installed on refrigeration systems
after completion of repairs because:
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 - Correct Answer B. they tend to leak over time
9. when ever nitrogen is used to pressurize or blow debris out of the system:
A. only nitrogen vapor should be used
B. only liquid nitrogen should be used
C. either liquid or vapor nitrogen can be used
Latest Update
1. If the EPA regulations should change after a technician becomes certified:
A. the technician certification is grandfathered for 6 months to allow time for
taking recertification exam
B. a new certification test must be taken within 90 days to be recertified
C. it is the technician's responsibility to comply with any future changes in the
law - Correct Answer C. it is the technician's responsibility to comply with
any future changes in the law
2. At high temperatures, (i.e., open flames, glowing metal surfaces, etc.) R-12 and
R-22 can decompose to form:
A. hydrazine gas
B. helium gas
C. phosgene gas
D. all of the above will be formed - Correct Answer C. phosgene gas
3. Which of the following refrigerants is most commonly used as a replacement for
R-12 in new household refrigerators?
A. R-123
B. R-24
C. R-141a/141b blend
D. R-134a - Correct Answer D. R-134a
4. 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. May 15, 1993
B. June 15, 1992
C. July 15, 1993
D. November 15, 1993 - Correct Answer D. November 15, 1993
5. What is the maximum allowable factory charge of refrigerant for type 1
appliances?
A. 4 pounds
B. 5 pounds
C. 7 pounds
, D. 10 pounds - Correct Answer B. 5 pounds
6. why is it important to obtain an accurate pressure reading of refrigerant inside a
recovery cylinder?
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 - Correct Answer A- the pressure reading along with a
temperature reading can indicate if there is excessive air or other non-
condensables in the cylinder
7. Recovery devices that were manufactured after November 15, 1993 and are
used for recovery of refrigerant from small appliances must be capable of:
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 -
Correct Answer A. recovering 90% of the refrigerant when the
compressor is operating or achieving a 4 inch vacuum under the
conditions of ARI 740-1993
8. Solderless piercing valves should not remain installed on refrigeration systems
after completion of repairs because:
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 - Correct Answer B. they tend to leak over time
9. when ever nitrogen is used to pressurize or blow debris out of the system:
A. only nitrogen vapor should be used
B. only liquid nitrogen should be used
C. either liquid or vapor nitrogen can be used
