SAE 609 2026 REVISION NOTES AND
STRUCTURED REFRIGERATION OVERVIEW
GUIDE
◉ Over the road refrigeration units and R-22 (HCFC) air
conditioning, such as that found in buses, also requires Section ______
certification. Answer: 608
◉ Ozone depletion increases global warming. Answer: True
◉ Refrigerants are lighter than the air. Answer: False
◉ Stratosphere layer consists of about _____ of the available Ozone:.
Answer: 90%
◉ Every refrigerant cylinder need not be protected by some type of
pressure relief device:. Answer: False
◉ If a technician is already trained and certified to handle CFC-12,
he has to be re-certified to handle HFC-134a. Answer: False
◉ Which of the following refrigerants has high ozone-depletion
potential:. Answer: CFCs
, ◉ R-152a is a chemical compound composed of which of the
following: (Multiple Answer Question). Answer: Carbon, Hydrogen,
Fluorine
◉ R-134a refrigerant does pose a cancer or birth defects hazard.
Answer: False
◉ External Recovery Tanks must be evacuated to ______ of mercury
before being put into service. Answer: 27 inches
◉ Disposable Refrigerant Tanks, under _______ must be evacuated
before being scrapped. Answer: 20 pounds
◉ HFC-134a, is the refrigerant that replaced _______ in automotive air
conditioning systems. Answer: R-12
◉ Which of the following has the Ozone Depletion Potential (ODP)
value of 1. Answer: CFC-11
◉ CFCs manufacture was discontinued as of _______. Answer: January
1, 1996
STRUCTURED REFRIGERATION OVERVIEW
GUIDE
◉ Over the road refrigeration units and R-22 (HCFC) air
conditioning, such as that found in buses, also requires Section ______
certification. Answer: 608
◉ Ozone depletion increases global warming. Answer: True
◉ Refrigerants are lighter than the air. Answer: False
◉ Stratosphere layer consists of about _____ of the available Ozone:.
Answer: 90%
◉ Every refrigerant cylinder need not be protected by some type of
pressure relief device:. Answer: False
◉ If a technician is already trained and certified to handle CFC-12,
he has to be re-certified to handle HFC-134a. Answer: False
◉ Which of the following refrigerants has high ozone-depletion
potential:. Answer: CFCs
, ◉ R-152a is a chemical compound composed of which of the
following: (Multiple Answer Question). Answer: Carbon, Hydrogen,
Fluorine
◉ R-134a refrigerant does pose a cancer or birth defects hazard.
Answer: False
◉ External Recovery Tanks must be evacuated to ______ of mercury
before being put into service. Answer: 27 inches
◉ Disposable Refrigerant Tanks, under _______ must be evacuated
before being scrapped. Answer: 20 pounds
◉ HFC-134a, is the refrigerant that replaced _______ in automotive air
conditioning systems. Answer: R-12
◉ Which of the following has the Ozone Depletion Potential (ODP)
value of 1. Answer: CFC-11
◉ CFCs manufacture was discontinued as of _______. Answer: January
1, 1996
