What is the normal pressure range for high pressure gauges made for use on systems with older refrigerants such as R-22 or R-134a?
A) 0 - 30" Hg vacuum and 0 - 120 psig pressure B) 0 - 800 psig pressure
C) 0 - 500 psig pressure D) 0 - 30" Hg vacuum and 0 - 350 psig pressure
C
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A. manufacturer B. homeowner C. electrician D. heating technician
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Indicate whether the statement is true or false
Name the cloudlike circle around a change made to a print after the drawing has been released for construction.
What will be an ideal response?