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EPA 608 Type III with complete solution
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Identify the pressure corresponding to 32 degrees F for R-123: ________. a) 23 inches of Hg vacuum b) 20 inches of Hg vacuum c) 17 inches of Hg vacuum d) 11 inches of Hg vacuum - ANSWER b) 20 in... ches of Hg vacuum A hydrostatic tube test kit is used to: _________. a) blow all water from the tubes b) remove any water from the machine c) vent refrigerant d) determine if a tube leaks - ANSWER d) determine if a tube leak Excessive running of a purge system on a low-pressure chiller generally indicates that the: ___________. a) air sensors are faulty b) ambient temperature is too high c) efficiency of the purge unit is too low d) system is leaking - ANSWER d) system is leaking When recovering vapor from a low-pressure refrigeration system: __________. [Show More]
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