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Examen
ASE A7 Test Prep (HVAC) Exam Questions and Answers.
ASE A7s
ASE A7s
ASEA7TestPrep(HVAC)ExamQuestionsand Answers. When the defrost setting is selected, the compressor operates. (True or False) - Correct Answer True R744 refrigerant is pure CO2 (True or False) - Correct Answer True Technician A says on R134a systems, you may not find any evidence of oil, even with a leak, because the lubricant is water soluble, and could wash away. Technician B says never use compressed air to leak test or pressure test an R134a system. Which technician is correct ? - Co...
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