SAE 609 2026 STUDY GUIDE COMPLETE
REFRIGERATION AND HVAC SYSTEMS THEORY
AND PRACTICE QUESTIONS
◉ 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. Answer: (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.. Answer: (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.. Answer: (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. Answer: (C) Both A and B
REFRIGERATION AND HVAC SYSTEMS THEORY
AND PRACTICE QUESTIONS
◉ 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. Answer: (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.. Answer: (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.. Answer: (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. Answer: (C) Both A and B
