Exam (elaborations)
Residential HVAC Installation Questions and Answers | New One | Grade A+
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Clearance tolerances are such that the ordinary clean refrigerant oil can be used satisfactorily in a vacuum pump. Ans: false The maximum recommended pressure for leak testing is 150 psig on the low-pressure side of the system. Ans: true Noncondensable gases ____. Ans: are undesirable in a...
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