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Question:
A high-pressure appliance containing 210 lbs. of R-407C refrigerant must be evacuated (recovered) to a level of ______.
A
10 inches of vacuum
explanation
A high-pressure appliance containing 210 lbs. of R-407C refrigerant must be evacuated (recovered) to a level of 10 inches of vacuum. (Page 22 EPA prep manual Table 1 chart)
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