A2L Certification Evaluation Test 2026 Full Questions And Correct Answers Graded A+

A2L CERTIFICATION EVALUATION TEST
2026 FULL QUESTIONS AND CORRECT
ANSWERS GRADED A+

●● the first stage of the evacuation process, which removes non-
condensables from a system is called:.
Answer: Recovery


●● once a flammable refrigerant has been recovered and stored in a
cylinder:.
Answer: it must be placed a safe distance away from the work area
before a system repair or installation is started.


●● which of the following refrigerants is exempt from the EPS's
recovery mandate?.
Answer: R-32 (R-290) R-454B R-1234yf


●● which of the following refrigerants is classified as an A3
refrigerant?.
Answer: R-32 (R-290) R-717 R-1234yf


●● Atmospheric pressure is equal to approximately:.
Answer: 760,000 microns

, ●● An uppercase letter designation is used when refrigerant blends are:.
Answer: composed of the same refrigerants, but with different
percentages of each.


●● Flammable refrigerant cylinders must have:.
Answer: red band at the top of the container.


●● which of the following refrigerants has the lowest global warming
potenial?.
Answer: R-32 (R-290) R-404A R-454B


●● which of the following should be done prior to beginning the
recovery process?.
Answer: purge air from the refrigerant hoses to prevent refrigerant
contamination.


●● when working with A2L refrigerants, which one of the following is
not an approved leak detection method?.
Answer: halide leak detector


●● when brazing a system that has bene charged wirh an A2L
refrigerant:.