A vacuum gauge attached to a refrigerant line reads 18.2 in. Hg. The barometric pressure reads 29.92 in. Hg
What is the absolute vacuum pressure in the line?
a. 10.72 in. Hg
b. 11.65 in. Hg
c. 11.72 in. Hg
d. 12.65 in. Hg
c
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