Only two substances should be in the refrigeration system for proper operation. They are ____________________ and oil.
Correct Answer:
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Q1: Moisture in a liquid state must be
Q2: When using a "standing pressure test" for
Q3: The oil in a vacuum pump should
Q4: Noncondensable gases _.
A) are desirable in a
Q6: A compound gauge _.
A) indicates pressures above
Q7: Air entering a refrigerant system can eventually
Q8: At what pressure range does the technician
Q9: Clearance tolerances are such that the ordinary
Q10: A micron gauge is used to measure
Q11: The best method of leak checking is
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