To avoid the creation of oxides in the refrigeration lines of mini-split systems, the lines are assembled:
A) Using Reflok fittings.
B) Using standard flare fittings.
C) By brazing the connections while flowing nitrogen through the lines.
D) Using heavy-walled flare fittings.
D
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?In automatic transmission cars, which seal should be replaced while the engine is out?
What will be an ideal response?
Ungrounded electrical systems are required to have a(n)____________________ that indicates whether any of the ungrounded conductors accidentally makes contact with grounded metal of the system or to the earth.
Fill in the blank(s) with the appropriate word(s).
The business of agriculture is called
What will be an ideal response?