A2L EXAM 2026 QUESTIONS AND ANSWERS
◉ EPA SNAP 23 approved the use of_refridgerants in the air
conditioning sector, subject to use restrictions. Answer: A2L
◉ The HVACR industry is currently transitioning away from HFCs to.
Answer: HFOs
◉ ________is used as the baseline measurement for global warming
potential and has a value of 1. Answer: CO2
◉ flammable refrigerants will only be used in. Answer: New
refrigerants
◉ refrigerants are____________than air and can displace oxygen,
leading to suffocation or asphyxiation. Answer: Heavier
◉ Refillable cylinders should not be filled beyond____% of there
maximum capacity. Answer: 80
◉ Refrigerant cylinders should be transported in the ________
position. Answer: Upright
, ◉ DOT rules also prohibit smoking within _____ feet of flammable
gases. Answer: 25 feet
◉ Tools used during the installation or service of systems charged
with a flammable refrigerant must be. Answer: Non sparking or
certified for use
◉ If the refrigerant is flammable, the basic refrigerant cycle. Answer:
Is the same
◉ Equipment with flammable refrigerant requires a ________ colored
marking on all process tubes and service connections. Answer: Red
◉ High temp/high pressure refrigerant vapor flows from the
compressor into the. Answer: Condenser
◉ The ________ receives a low-pressure/low-temperature refrigerant
vapor and discharges a high-pressure /high temp vapor. Answer:
Compressor
◉ The ______ is fed high pressure, sub cooled liquid refrigerant and it
feeds low pressure low temp liquid to the evaporator. Answer:
Metering device
◉ EPA SNAP 23 approved the use of_refridgerants in the air
conditioning sector, subject to use restrictions. Answer: A2L
◉ The HVACR industry is currently transitioning away from HFCs to.
Answer: HFOs
◉ ________is used as the baseline measurement for global warming
potential and has a value of 1. Answer: CO2
◉ flammable refrigerants will only be used in. Answer: New
refrigerants
◉ refrigerants are____________than air and can displace oxygen,
leading to suffocation or asphyxiation. Answer: Heavier
◉ Refillable cylinders should not be filled beyond____% of there
maximum capacity. Answer: 80
◉ Refrigerant cylinders should be transported in the ________
position. Answer: Upright
, ◉ DOT rules also prohibit smoking within _____ feet of flammable
gases. Answer: 25 feet
◉ Tools used during the installation or service of systems charged
with a flammable refrigerant must be. Answer: Non sparking or
certified for use
◉ If the refrigerant is flammable, the basic refrigerant cycle. Answer:
Is the same
◉ Equipment with flammable refrigerant requires a ________ colored
marking on all process tubes and service connections. Answer: Red
◉ High temp/high pressure refrigerant vapor flows from the
compressor into the. Answer: Condenser
◉ The ________ receives a low-pressure/low-temperature refrigerant
vapor and discharges a high-pressure /high temp vapor. Answer:
Compressor
◉ The ______ is fed high pressure, sub cooled liquid refrigerant and it
feeds low pressure low temp liquid to the evaporator. Answer:
Metering device
