ASE 609 ALL 2026 EXAMINERS QUESTIONS AND
ANSWERS SURE A+
✔✔Which of these is a flammable refrigerant, unacceptable under SNAP as a substitute
for CFC-12?
(A) HC-12a
(B) R406A
(C) R-176
(D) GHG-X4 - ✔✔??????
✔✔Empty disposable R-134a refrigerant containers should be:
(A) disposed of according to J2196.
(B) evacuated into a recovery/recycling machine.
(C) flushed with R-152a refrigerant.
(D) flushed with R-134a refrigerant. - ✔✔??????
✔✔ The recovery process on an R-12 or
R-134 A/C system should continue until a stable vacuum is held by the system for:
(A) 1 minute
(B) 2 minutes
(C) 4 minutes
(D) 5 minutes - ✔✔(B) 2 minutes
✔✔A recycled refrigerant container has been checked and found to be above the given
pressure limit for the ambient temperature.
, Technician A says that the refrigerant container should be placed in a cooler storage
area before use.
Technician B says that the vapor in the container should be slowly vented into a
refrigerant handling unit.
Who is right?
(A) A only
(B) B only
(C) Both A and B
(D) Neither A nor B - ✔✔(B) B only
why is A wrong?
✔✔The ozone layer filters out most of the sun's harmful:
(A) Infrared radiation.
(B) Ultraviolet radiation.
(C) Gamma radiation.
(D) Alpha radiation. - ✔✔(B) Ultraviolet radiation.
✔✔The reduction of ozone in the stratosphere could cause:
(A) an increase in skin cancer and eye cataracts
(B) an increase in plant life growth.
(C) an increase in the earth's polar ice.
D) an increase in marine life growth. - ✔✔(A) an increase in skin cancer and eye
cataracts
✔✔Technician A says that sunlight striking CFC molecules can cause chlorine to be
released.
Technician B says that chlorine atoms react with ozone to produce chlorine monoxide.
Who is right?
(A) A only
(B) B only
(C) Both A and B
(D) Neither A nor B - ✔✔(C) Both A and B
✔✔R-134a refrigerant must be recycled to meet which of these purity standards?(A)
J2788
(B) DOT-4BA
(C) J1991
(D) J2099 - ✔✔(D) J2099
ANSWERS SURE A+
✔✔Which of these is a flammable refrigerant, unacceptable under SNAP as a substitute
for CFC-12?
(A) HC-12a
(B) R406A
(C) R-176
(D) GHG-X4 - ✔✔??????
✔✔Empty disposable R-134a refrigerant containers should be:
(A) disposed of according to J2196.
(B) evacuated into a recovery/recycling machine.
(C) flushed with R-152a refrigerant.
(D) flushed with R-134a refrigerant. - ✔✔??????
✔✔ The recovery process on an R-12 or
R-134 A/C system should continue until a stable vacuum is held by the system for:
(A) 1 minute
(B) 2 minutes
(C) 4 minutes
(D) 5 minutes - ✔✔(B) 2 minutes
✔✔A recycled refrigerant container has been checked and found to be above the given
pressure limit for the ambient temperature.
, Technician A says that the refrigerant container should be placed in a cooler storage
area before use.
Technician B says that the vapor in the container should be slowly vented into a
refrigerant handling unit.
Who is right?
(A) A only
(B) B only
(C) Both A and B
(D) Neither A nor B - ✔✔(B) B only
why is A wrong?
✔✔The ozone layer filters out most of the sun's harmful:
(A) Infrared radiation.
(B) Ultraviolet radiation.
(C) Gamma radiation.
(D) Alpha radiation. - ✔✔(B) Ultraviolet radiation.
✔✔The reduction of ozone in the stratosphere could cause:
(A) an increase in skin cancer and eye cataracts
(B) an increase in plant life growth.
(C) an increase in the earth's polar ice.
D) an increase in marine life growth. - ✔✔(A) an increase in skin cancer and eye
cataracts
✔✔Technician A says that sunlight striking CFC molecules can cause chlorine to be
released.
Technician B says that chlorine atoms react with ozone to produce chlorine monoxide.
Who is right?
(A) A only
(B) B only
(C) Both A and B
(D) Neither A nor B - ✔✔(C) Both A and B
✔✔R-134a refrigerant must be recycled to meet which of these purity standards?(A)
J2788
(B) DOT-4BA
(C) J1991
(D) J2099 - ✔✔(D) J2099
