R 410A Certification Exam |Actual Questions And Verified Answers|Brand New Update|Graded A+

R 410a CERTIFICATION EXAM |ACTUAL
QUESTIONS AND VERIFIED ANSWERS|BRAND NEW
2026-2027 UPDATE|GRADED A+


Question 1

Because of its higher vapor heat capacity, the discharge temperature of R-410A is ____
than R-22.

A. Higher

B. Lower

C. The same

D. None of the above

CORRECT ANSWER

B. Lower




Question 2

R-410A is also known as:

A. Suva 410A

B. AZ-20

C. Puron

D. All the above

CORRECT ANSWER

D. All the above




Question 3

Both suction and discharge pressures of R410a systems are _____ than R22 systems.


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,A. The same

B. 40% to 70% higher

C. 60% lower

D. 10% to 30% higher

CORRECT ANSWER

B. 40% to 70% higher




Question 4

The temperature glide for R-410A is less than ____ degrees Fahrenheit over air
conditioning and refrigerating operating ranges.

A. 0.3

B. 0.9

C. 1.0

D. 1.5

CORRECT ANSWER

A. 0.3




Question 5

Compression ratio is calculated as:

A. Absolute suction pressure divided by absolute discharge pressure

B. Discharge pressure divided by suction pressure

C. Absolute discharge pressure divided by absolute suction pressure

D. Suction pressure divided by discharge pressure

CORRECT ANSWER

C. Absolute discharge pressure divided by absolute suction pressure



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, Question 6

Polyol Ester (POE):

A. Can be irritating to the skin

B. Is hygroscopic

C. Has improved heat transfer characteristics over mineral oil

D. All the above

CORRECT ANSWER

D. All the above




Question 7

The low pressure control on R-410A systems will open at:

A. 50 psig

B. 30 psig

C. 70 psig

D. 90 psig

CORRECT ANSWER

A. 50 psig




Question 8

When a blend is zeotropic, or near-azeotropic (NARM):

A. Leaks may cause a change in the composition of the blend

B. It will have temperature glide

C. It can fractionate

D. All the above


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