A2L Exam UPDATED ACTUAL
QUESTIONS AND CORRECT ANSWERS
EPA SNAP 23 - CORRECT ANSWER Mandating the phasedown of high-GWP
refrigerants and approve low-GWP refrigerants
The HVACR industry is currently transitioning away from HFCs to - CORRECT
ANSWER HFOs
________is used as the baseline measurement for global warming potential and has a value of
1 - CORRECT ANSWER CO2
flammable refrigerants will only be used in - CORRECT ANSWER New refrigerants
refrigerants are____________than air and can displace oxygen, leading to suffocation or
asphyxiation - CORRECT ANSWER Heavier
Refillable cylinders should not be filled beyond____% of there maximum capacity -
CORRECT ANSWER 80
Refrigerant cylinders should be transported in the ________ position - CORRECT
ANSWER Upright
DOT rules also prohibit smoking within _____ feet of flammable gases - CORRECT
ANSWER 25 feet
Tools used during the installation or service of systems charged with a flammable refrigerant
must be - CORRECT ANSWER Non sparking or certified for use
Equipment with flammable refrigerant requires a ________ colored marking on all process
tubes and service connections - CORRECT ANSWER Red
QUESTIONS AND CORRECT ANSWERS
EPA SNAP 23 - CORRECT ANSWER Mandating the phasedown of high-GWP
refrigerants and approve low-GWP refrigerants
The HVACR industry is currently transitioning away from HFCs to - CORRECT
ANSWER HFOs
________is used as the baseline measurement for global warming potential and has a value of
1 - CORRECT ANSWER CO2
flammable refrigerants will only be used in - CORRECT ANSWER New refrigerants
refrigerants are____________than air and can displace oxygen, leading to suffocation or
asphyxiation - CORRECT ANSWER Heavier
Refillable cylinders should not be filled beyond____% of there maximum capacity -
CORRECT ANSWER 80
Refrigerant cylinders should be transported in the ________ position - CORRECT
ANSWER Upright
DOT rules also prohibit smoking within _____ feet of flammable gases - CORRECT
ANSWER 25 feet
Tools used during the installation or service of systems charged with a flammable refrigerant
must be - CORRECT ANSWER Non sparking or certified for use
Equipment with flammable refrigerant requires a ________ colored marking on all process
tubes and service connections - CORRECT ANSWER Red
