EstatePass

Which refrigerant is most suitable for an industrial refrigeration plant operating at -40°F according to Modern Refrigeration and Air Conditioning 22nd ed.?

Texas ACR A exam practice question · Refrigeration Principles

Which refrigerant is most suitable for an industrial refrigeration plant operating at -40°F according to Modern Refrigeration and Air Conditioning 22nd ed.?

  • AR-134a
  • BR-404A
  • R-22
  • DR-410A

Exam tip

Consult technical references for the appropriate refrigerant selection based on operating temperatures and system requirements.

Why C is correct

R-22 is the most suitable refrigerant for low-temperature applications such as those at -40°F. R-134a, R-404A, and R-410A are not as effective at such low temperatures.

Practice 12 more Refrigeration Principles questions

Timed mock exams, a wrong book and flashcards — one subscription covers every contractor exam line.

Start studying free