Multiple Choice
When evacuating an A/C system, the vacuum pump should remain on and connected to the system for at least 30 minutes after reaching _____ inches of mercury (in. Hg) .
A) 12 to 15
B) 18 to 21
C) 22 to 25
D) 26 to 29
Correct Answer:
Verified
Correct Answer:
Verified
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